Other

Why does my Chevy Silverado lose engine power?

Table of Contents

Why does my Chevy Silverado lose engine power?

Keep reading to find at least one possible answer to “Why is my Chevy Silverado losing power?” Read More: How Can You Tell If Your Pickup Is Overloaded? If your GM truck occasionally loses the ability to accelerate and warns you of reduced engine power, that could be caused by a faulty throttle body.

When do I get a reduced engine power warning?

The nice thing about this type of system is that it can be even more instant than an actual hard connection by a cable. The bad thing is, when there is a problem in any part of this system, it can render the vehicle literally un-driveable and you will get a check engine light and reduced engine power warning.

What does it mean when GM says reduced engine power?

In some instances, the PCM may actually cut off fuel delivery to the engine, rendering the vehicle undrivable. When this happens, GM’s Engine Reduced Power Mode is being implemented as a “fail-safe” mode (also known as a “limp” mode).

Why does my Duramax say reduced engine power?

If you’ve got a Duramax diesel, the Reduced Engine Power warning could Illuminate for a variety of reasons. There are many different technical service bulletins (TSBs) for Duramax-powered vehicles that mention Engine Reduced Power mode.

If you’ve got a Duramax diesel, the Reduced Engine Power warning could Illuminate for a variety of reasons. There are many different technical service bulletins (TSBs) for Duramax-powered vehicles that mention Engine Reduced Power mode.

The nice thing about this type of system is that it can be even more instant than an actual hard connection by a cable. The bad thing is, when there is a problem in any part of this system, it can render the vehicle literally un-driveable and you will get a check engine light and reduced engine power warning.

In some instances, the PCM may actually cut off fuel delivery to the engine, rendering the vehicle undrivable. When this happens, GM’s Engine Reduced Power Mode is being implemented as a “fail-safe” mode (also known as a “limp” mode).

Why is my Chevy 2500HD in reduced power mode?

The electronic throttle is run on 5 volt potential, so some resistance that would go unnoticed in a 12 volt circuit, causes intermittent problems in a 5 volt circuit. helpful? There are no after market items on the engine.

What’s the problem with my 2003 Chevy Silverado?

No one has added a helpful site for this 2003 Silverado 2500 problem yet. Be the first! Read reviews of repair shops in your area. Enter your zip code: Search CarComplaints.com for these popular complaint phrases…

Why does my Chevy Silverado battery drain while driving?

If it is draining while your Silverado is off, it’s usually caused by something that is drawing current that shouldn’t be. If the battery is draining while you’re driving, that is probably going to be the alternator or battery. There are other situations as well.

What to do if your Chevy Silverado loses power?

While generally the Chevy Silverado is a premium, reliable truck, there are times when even the best vehicles can end up having problems. If you’ve ever had your Chevy Silverado or GMC Sierra suddenly lose power, you may be wondering exactly what is going on with your truck.

What causes a Chevy 2500HD to lose power under load?

Probably P0087. Check the fuel hoses at the side of the trans– they can get kinked, weak and collapse. I’ve just experienced a very similar situation with my 2005 2500HD. After driving about 2 hours, over varying terrain, I had to stop at a light (not the first on the trip).

No one has added a helpful site for this 2003 Silverado 2500 problem yet. Be the first! Read reviews of repair shops in your area. Enter your zip code: Search CarComplaints.com for these popular complaint phrases…

What causes a GM truck to lose power?

If your GM truck occasionally loses the ability to accelerate and warns you of reduced engine power, that could be caused by a faulty throttle body. While not common, this issue can interfere with your engine function and cause your vehicle to lose power anywhere from once in a while to several times in a day.

What causes a diesel engine to use a turbocharger?

The culprit is either an incorrectly installed diesel injection system or a faulty cooling system. The additional horsepower from a turbocharger is anywhere between 25 – 50% and, used sensibly, only enhances your vehicle’s driveability, economy and longevity.

When did the first turbo diesel engine come out?

Most diesel engines manufactured from 1984 onwards have been designed with turbocharging in mind. Quite often they are available in other countries with a turbo fitted at factory.

What causes a diesel engine to run bad?

Common Smoke & Power Problems: Engine runs bad – gummed injection system 5. Common Smoke & Power Problems: Engine runs bad – excess carbon buildup 6. Common Smoke & Power Problems: Engine runs bad – low fuel flow to injections 7. Common Smoke & Power Problems: Engine runs bad – poor compression 8.

The culprit is either an incorrectly installed diesel injection system or a faulty cooling system. The additional horsepower from a turbocharger is anywhere between 25 – 50% and, used sensibly, only enhances your vehicle’s driveability, economy and longevity.

Common Smoke & Power Problems: Engine runs bad – gummed injection system 5. Common Smoke & Power Problems: Engine runs bad – excess carbon buildup 6. Common Smoke & Power Problems: Engine runs bad – low fuel flow to injections 7. Common Smoke & Power Problems: Engine runs bad – poor compression 8.

Most diesel engines manufactured from 1984 onwards have been designed with turbocharging in mind. Quite often they are available in other countries with a turbo fitted at factory.

What does level 5 mean for diesel engine?

Level 5 means you need professional mechanical experience to complete the job successfully. If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

Keep reading to find at least one possible answer to “Why is my Chevy Silverado losing power?” Read More: How Can You Tell If Your Pickup Is Overloaded? If your GM truck occasionally loses the ability to accelerate and warns you of reduced engine power, that could be caused by a faulty throttle body.

What was the problem with my GMC Sierra 1500?

Did have one cracked vacume line from the throttle body to the purge solenoid, also replaced. Seems to have plenty of vacume through out the system. Removed and inspected the egr valve, no excessive carbon build up and appears to be working properly, good vacume going into the solenoid, replaced the solenoid just for good measure.

What does the fuel smell like in a GMC Sierra 1500?

If so pull the air filter off and sniff the throttle body for a fuel smell. If the diaphragm has ruptured it will literally be like putting a hose with fuel into the intake and running it full.

Why does my check engine light keep turning on?

On average, a quality O2 sensor will set you back about $175, but the cost of labor will vary greatly depending on the vehicle’s make and model, as well as your geographical location. Finally, keep in mind that most late-model cars have more than one O2 sensor. A loose fuel cap is one of the most common reasons why the check engine light turns on.

Where does reduced engine power warning come from?

The reduced engine power warning message can come on your car or truck. Today’s vehicles are for the most part completely electronically controlled. From every button and switch on the dash down to the ‘fly-by-wire’ throttle control system. Back in the day, before these electronically controlled throttles, everything was cable actuated.

What does it mean when your engine loses power?

While not common, this issue can interfere with your engine function and cause your vehicle to lose power anywhere from once in a while to several times in a day. When given a digital diagnostic, the vehicle scan will tell you there is an issue with the throttle body. This is a sign that your truck’s throttle body should be replaced.

What causes a flashing check engine light on a Chevy Suburban?

While a majority of the time, the flashing check engine light is going to be caused by a misfire related to your Suburban’s ignition system or fuel system (as stated above), there are other issues that can cause it. Your timing chain could have jumped.

What causes a Chevy Suburban engine to misfire?

Keeping in mind that any engine needs air, fuel, and spark for ignition, your Chevy Suburban’s fuel system can often cause the engine to misfire. It can run too lean or rich. Alternatively, there may not be enough fuel for proper combustion, or the fuel isn’t atomizing properly.

Why is the ignition not working on my Chevy Suburban?

EGR- The EGR system recycles burnt exhaust gasses back into the combustion chamber. Crank/Cam Sensor- When the cam or crank sensors are not being read by the ECM/PCM, it’s impossible to get the ignition timing right. If you Suburban does start at all, it’ll run rough.

Why does my check engine light not light up?

If your Check engine light is ON, the easiest way to diagnose this problem is to always check your trouble code memory with an OBD2 scanner. The check engine light will not light up if there is a scheduled service as the service engine soon light.

Why does my Chevy Silverado not accelerate at high RPMs?

If your Silverado won’t accelerate, but the RPM’s go up it’s usually not going to be an engine related issue. Somehow, the power that your engine is creating is not making it to the rear wheels. This is typically a transmission related issue. Here are the most common cause of acceleration with the RPM’s going up: 1. Transmission Fluid Low

What causes a car to lose power when driving up hills?

The muffler reduces the noise from the exhaust and the catalytic converter reduces the exhaust pollution. If either one of these filters gets clogged, it limits the engine’s power and ability to accelerate.

When does a Duramax chev.p.u.lose power?

Duramax Chev. P.U. (2003) loses fuel prime and motor stops running at low RPM or at an idle. No visible leak around filter area. Fuel pressure … read more Vocational, Technical or Tra… Hi, I just purchased a 2004 Kodiak C4500 crewcab with the Duramax diesel engine mated to an Allison with 4:44 gear ratio. What rpm do you … read more

If your Silverado won’t accelerate, but the RPM’s go up it’s usually not going to be an engine related issue. Somehow, the power that your engine is creating is not making it to the rear wheels. This is typically a transmission related issue. Here are the most common cause of acceleration with the RPM’s going up: 1. Transmission Fluid Low

Why does my Chevy Silverado make a rattle noise?

Chevy Silverado Making a Rattle Noise , Replacing A catalytic converter. This Chevy Silverado truck had a very loud rattle noise, that sounded like it was coming from the transmission . The 5.3 Chevy Silverado has two catalytic converters and the inside of one has came loose. The catalytic converter is still working but very loud.

What should I do if my car engine is making a rattling noise?

Treating the engine with a dose of top cleaner or a fuel system additive that also; removes carbon from the combustion chamber, can usually clears this up. Some repair shops use a machine to perform an engine carbon cleaning procedure. The machine uses a concentrated detergent to flush out the fuel injection system and combustion chambers.

Chevy Silverado Making a Rattle Noise , Replacing A catalytic converter. This Chevy Silverado truck had a very loud rattle noise, that sounded like it was coming from the transmission . The 5.3 Chevy Silverado has two catalytic converters and the inside of one has came loose. The catalytic converter is still working but very loud.

What are the symptoms of a faulty VVT solenoid?

Common signs of a faulty VVT solenoid include the Check Engine Light coming on, dirty engine oil, rough engine idle, and decreased fuel economy. 1. Check Engine Light comes on 2. Engine oil is dirty 3. Rough engine idle 4. Decrease in fuel economy

What are the symptoms of a bad variable valve timing?

Symptoms of a Bad or Failing Variable Valve Timing (VVT) Solenoid. Cost of Replacing a Bad or Failing Variable Valve Timing (VVT) Solenoid. Common signs of a faulty VVT solenoid include the Check Engine Light coming on, dirty engine oil, rough engine idle, and decreased fuel economy.

Why does my car lose power during acceleration?

Another possible, though not common, cause for loss of engine power during acceleration is failure of the exhaust gas recirculation (EGR) valve. The EGR valve allows a measured amount of exhaust gases at higher-than-idle engine speeds to re-enter the engine to reduce engine high temperature and harmful emissions.

What causes low engine power at 40kv?

Check at 40KV and 30KV. If your spark can’t bridge that gap at those settings, you may have worn out wires, a weak or failing distributor, a bad ignition coil or a bad ignition control module, depending on your particular module. Check the tests that follow, and consult your vehicle repair manual for the proper diagnostic for your particular model.

What are the symptoms of a Chevy Vortec engine problem?

Symptoms of Failing Idle Control Valve and Throttle Position Sensor 1 Rough idling 2 Engine stalling 3 Hesitation during acceleration 4 Hard shifting and lack of power 5 Lack of accelerator responsiveness 6 P0122 engine code (TPS sensor)

Why does my C / K C10 stop running?

I have a 1984 c10 with a 85-86 Trans am 305 motor that was running ok this morning, well tell me why when I go try to turn it back on few hours later starter starts making grinding noise and is unable to turn the engine just my luck so I go to the auto parts store pick up a new starter slap it in and go to turn the ignition and NOTHING happens

How can I tell if my C10 truck is re wired?

This is actually a common problem in 70s and 80s C10s and no one ever get’s the right answer. If no one has re-wired this truck in the past then turn your key to the run position and check to see if your turn signals and back up lights are working.

What causes a car to shut down while driving?

If the fuel filter is clogged, the fuel entering the system will be insufficient and the engine will shut down. Fortunately, it is pretty easy for you to replace a fuel filter. The third and final thing that could go wrong with your fuel system is a leaking fuel supply line.

Why does my car run harder at high altitude?

You’re likely also running the air conditioning, which makes the engine work a bit harder. If you’re driving at a very high altitude, there is less air to suck into the engine.

Why does my Chevy Suburban stop while driving?

Battery is fine because all power still works. After waiting ten minutes or so will start again only to drive a few miles and engine stops again. Any clue? I am working on a 95 with a 5.7 engine.

Why does my Chevy Silverado not go over 25 mph?

If so then remove the 2 closest to the engine, they are almost touching the manifold. If that helps then there is a blockage in the exhaust. Most likely a bad catalytic converter or a bent pipe.

Why did my Chevy Suburban battery die while driving?

It actually drains the battery, so like myself you just went out and bought new battery, this problem of frayed wires that the GM distributor KNOWS about, drains your brand new battery, and even with a jump you have no or extremely reduced engine power, (even says so in dash message)…

What causes a Chevy Suburban engine to stall?

Stumbling and poor idle can be caused by air or fuel starvation so make sure that those filters are OK. I think that my own problem is caused by dirt in the fuel tank plugging up the fuel intake screen. I think the dirt falls off when the engine is shut off.

Why does my GM car have a reduced engine power warning?

Some GM vehicles will enter Reduced Engine Power Mode when the engine begins to overheat due to cooling system issues. The PCM triggers the mode to protect the engine from further damage. In some instances, the Reduced Engine Power warning may illuminate to inform the driver that the vehicle lacks power due to an underlying condition.

Why is the TPS on my Chevy Silverado 1500 not working?

The throttle position sensor (TPS) on the Chevrolet Silverado 1500 is notorious for failure which causes: This issue is related to the throttle position sensor, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS.

Is there low end power on a C / K 1500?

No low end power untill I hit about 35mph then my engine seemed to wake up and scoot. 1998 C1500 5.0 A friend had the same problem and recommended changing the fuel injectors or spider as they call in on Chevy engines. I did, and the change was amazing. Try that, it’s not cheap but def worth it. Make sure you upgrade to an MFI unit.

Some GM vehicles will enter Reduced Engine Power Mode when the engine begins to overheat due to cooling system issues. The PCM triggers the mode to protect the engine from further damage. In some instances, the Reduced Engine Power warning may illuminate to inform the driver that the vehicle lacks power due to an underlying condition.

Why does my Chevy Silverado LD RUN rough?

“This letter is intended to make you aware that some 2010 model year Chevrolet Silverado LD vehicles, equipped with a V8 engine, may have a condition where the throttle position sensor may cause the engine to run rough and cause the malfunction indicator lamp and/or an Engine Reduced Power message to illuminate.

The throttle position sensor (TPS) on the Chevrolet Silverado 1500 is notorious for failure which causes: This issue is related to the throttle position sensor, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS.

Why does my Chevy 350 have no power?

If it doesn’t, and you find no other issues such as fuel starvation or exhaust restrictions, your camshaft could be excessively worn. Many older, higher mileage smallblock Chevys develop flattened cam lobes over time, resulting in lack of power and, sometimes, backfiring and the like.

Is there a Chevy 350 that is not EFI?

I have a Chevy K1500 sierra with a 350 that is not EFI. That’s a long story from when my project began. OK, I bought someone Else’s problem.

Why does my smallblock Chevy have no power?

If it doesn’t, and you find no other issues such as fuel starvation or exhaust restrictions, your camshaft could be excessively worn. Many older, higher mileage smallblock Chevys develop flattened cam lobes over time, resulting in lack of power and, sometimes, backfiring and the like. Lack of power is the most common symptom of flattened cam lobes.

If it doesn’t, and you find no other issues such as fuel starvation or exhaust restrictions, your camshaft could be excessively worn. Many older, higher mileage smallblock Chevys develop flattened cam lobes over time, resulting in lack of power and, sometimes, backfiring and the like.

I have a Chevy K1500 sierra with a 350 that is not EFI. That’s a long story from when my project began. OK, I bought someone Else’s problem.

If it doesn’t, and you find no other issues such as fuel starvation or exhaust restrictions, your camshaft could be excessively worn. Many older, higher mileage smallblock Chevys develop flattened cam lobes over time, resulting in lack of power and, sometimes, backfiring and the like. Lack of power is the most common symptom of flattened cam lobes.

Why do I lose power on hills GMC Sierra 1500?

2000 gmc sierra 4.3 shows lean feul but can not find how or where to look 4 people found this helpful. my 2000 sierra starts good and ideals good the only thing that shows up on the scanner is the fuel is lean everything else shows good pls help 3 people found this helpful. Bad spark control module people…….that’s the problem….

Why does my car lose power going uphill?

Reasons Your Car Loses Power Going Uphill 1) Bad Fuel Filter. You can’t have a good working engine without fresh pure gasoline flowing into it at all times. If you don’t have a good fuel filter to prevent the impurities of the fuel from flowing into the engine, then it could ultimately jeopardize the performance of your engine.

Why is my diesel losing power under load?

I don’t know stuff about diesels, but your truck is a couple years old. It is always a possibility. Get back with us when you get the codes, they will help narrow down the problem. You’re probably losing fuel pressure. It might be a bad fuel pump .

When did the Chevy 6.0L Vortec 6000 come out?

The 6.0L Vortec “6000” engine was introduced in 1999 and remained in production until 2019 when it was replaced by the 6.2L Vortec. The Chevy 6.0 is a small-block V8 engine that produces 300hp-345hp and 360tq-380tq, depending on the engine version. The 6.0 engine had nine variations over its 20 year life span.

What’s the problem with my Silverado 2500 HD?

System Running Lean Bank 1, and Bank 2. My problem is a vacuum leak, and I finally found it on the air intake, right after the MAP sensor, where the rubber meets the plastic. Apparently, the intake was touching the engine, and slowly melted a flat spot on the underside. Good luck. I brought the truck to a shop and they replaced the throttle body.

What causes an engine to stall out without air?

It works together with the Engine Control Unit to balance the right mix of air and fuel in your engine for the best power and performance. When the throttle body is dirty, damaged, or just not receiving the right signals, airflow can be cut off to your engine. Without air, your engine cannot run and will stall out.

Why does my Chevy truck sputter when I accelerate?

The engine starts and runs fine, when I leave for or from work. But when I accelerate out of the parking lot it hesitates and really sputters. If you try to accelerate more it backfires a few times and then takes off like there’s nothing wrong.

While not common, this issue can interfere with your engine function and cause your vehicle to lose power anywhere from once in a while to several times in a day. When given a digital diagnostic, the vehicle scan will tell you there is an issue with the throttle body. This is a sign that your truck’s throttle body should be replaced.

It works together with the Engine Control Unit to balance the right mix of air and fuel in your engine for the best power and performance. When the throttle body is dirty, damaged, or just not receiving the right signals, airflow can be cut off to your engine. Without air, your engine cannot run and will stall out.

Why does my Silverado 4L60E only reverse gears?

If you put it in gear and it feels like doing a brake stand then the forward Sprag was put together backwards… I’ve done that before. If you put it in gear and the engine revs like it’s in neutral then you would be looking at a forward clutch problem.

Why does my Chevy Silverado not move in first gear?

Slipping means that it loses its grip on the flywheel and it feels like you’ve pushed the clutch in. This will usually happen at highway speed, under heavy acceleration. It only gets worse as the clutch disk slips, burns up, and can handle less and less torque. Eventually it’ll only move in first gear or not at all.

Are there any problems with the Chevy Silverado 1500?

Chevrolet Silverado 1500 owners have reported 23 problems related to engine shut off without warning (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Chevrolet Silverado 1500 based on all problems reported for the Silverado 1500.

How long does it take for a Chevy Silverado to shut off?

The truck was dead for approx 3-5 seconds each time with completely shutdown before completely restarting on its own and continuing like nothing happened. See all problems of the 2019 Chevrolet Silverado 1500 . Truck will lose all power, everything will shut off, and then come right back on.

Why did my Chevy Silverado engine shut off without warning?

Warning lights came on for steering assist while driving down the highway. At this time, the air conditioning and radio turned off, but the engine remained running. Dismissing the alert returned the a/c and radio, and the truck continued running.

If you put it in gear and it feels like doing a brake stand then the forward Sprag was put together backwards… I’ve done that before. If you put it in gear and the engine revs like it’s in neutral then you would be looking at a forward clutch problem.

Why is the coolant leaking from my Chevy Silverado?

The problem is that water will freeze in the winter time and cause the engine block, heads, freeze plugs, or some other part of the engine to freeze up. If your Silverado’s cooling system is leaking water or coolant, here are the most common places that it may be leaking from.

Can a leak in a radiator cause an engine to overheat?

A radiator leak is very common and will cause a drop in coolant and engine overheating. Most leaks start small and if you do the proper maintenance on your vehicle you should be able to spot potential weak spots before they get too bad. At times, a radiator will just pop and you will lose all your coolant in a matter of seconds.

What causes a Chevy 6.0 Vortec engine to leak?

They are subject to extremely high heat temperatures which can cause gaskets and bolts to warp and go bad, creating an exhaust leak. On the Chevy 6.0 vortec engine, the exhaust leak is most commonly caused by the exhaust manifold bolts completely breaking off. When the bolts break off, air gaps will open up causing exhaust gasses to escape.

Where are the intake gaskets on a Chevy Vortec?

The intake gaskets on the LB4 and L35 vortec’s are very prone to going bad which results in engine leaks, overheating, stalling, etc. The intake gasket sits between the intake manifold and the cylinder head.

Are there any problems with the Chevy Vortec?

Chevy 8.1L Vortec Engine Problems 1 Faulty crankshaft position sensor 2 Intake manifold gasket failure 3 Lifter tick 4 Spark plug failure 5 Excessive oil consumption 6 Gas mileage More

What causes engine knock on a 4.3L Vortec?

Engine knock can be caused by a ton of factors, such as low-grade fuel, bad spark plugs, carbon build-up, etc. Engine knock is terrible for your engines internals and can cause serious damage to the pistons and to the cylinder walls. On the 4.3L vortec, the cause of the engine knock has not necessarily been figured out, still to this day.

Duramax Chev. P.U. (2003) loses fuel prime and motor stops running at low RPM or at an idle. No visible leak around filter area. Fuel pressure … read more Vocational, Technical or Tra… Hi, I just purchased a 2004 Kodiak C4500 crewcab with the Duramax diesel engine mated to an Allison with 4:44 gear ratio. What rpm do you … read more

Why is my car running rough with no power?

This ethanol attracts moisture (water) and debris which reduces fuel quality and may cause the engine to run rough (or not at all). Draining your fuel tank and carburetor is a good place to start. The spark plug in your engine might be fouled, corroded or damaged. Please visit our website to order spark plugs online.

Reasons Your Car Loses Power Going Uphill 1) Bad Fuel Filter. You can’t have a good working engine without fresh pure gasoline flowing into it at all times. If you don’t have a good fuel filter to prevent the impurities of the fuel from flowing into the engine, then it could ultimately jeopardize the performance of your engine.

This ethanol attracts moisture (water) and debris which reduces fuel quality and may cause the engine to run rough (or not at all). Draining your fuel tank and carburetor is a good place to start. The spark plug in your engine might be fouled, corroded or damaged. Please visit our website to order spark plugs online.

Why is my car losing power at low speeds?

If the pressure is low the fuel injectors will not be able to spray the correct amount of fuel into the combustion chamber and that will result in a loss of power. A faulty fuel pump will not pose problems at low speeds but when you are looking for quick acceleration you might be left wanting.

Why does my car run faster when I accelerate?

The exhaust removes all the harmful and unnecessary gases from the engine. The sooner the exhaust excretes these gases, the sooner the engine can restart combustion. Therefore, if the car can excrete gases faster than it produces them, the car runs fast and smooth.

Why is my Chevy Suburban bogging down on hard acceleration?

I have a 97 Suburban 5.7, 2wd. On hard acceleration it is bogging down like there is to much air, because sometimes it backfires. Or a plugged exhaust. I replaced the fuel pump-because it was bad in July.

Why does my car run but no power on acceleration?

Would run but had no power on take off/acceleration. Installed new fuel pump and it ran great for 2 months then it just lost power during ride home from work. Replaced fuel pump again with no results.

Why is my GM Vortec engine bogging down?

If so look into a vacuume leak or possibly bad igntion components. If your not using delco plugs in this motor that can be a big contributor to your problem. GM vortec engines hate anything but vortec plugs and will do all kinds of weird things. And yes a clogged converter could cause this sort of thing to happen.

What to do if your Silverado is bogging down?

EGR or fuel restriction. Check to see if carbon canister has been flooded with fuel. This will keep gas tank from breathing properly… Check the ignition timing. Change the fuel filter. Change the plugs, plug wires, disributor and rotor button. Do a system analisis to see if one or more of the half dozen or so sensors is bad.

I have a 97 Suburban 5.7, 2wd. On hard acceleration it is bogging down like there is to much air, because sometimes it backfires. Or a plugged exhaust. I replaced the fuel pump-because it was bad in July.

Why does a 6.2 L diesel engine not start?

The electrical system is less critical to this engine than on later 6.5 L diesels because the injection system is purely mechanical. A troubleshoot of this engine should walk through the essential components one at a time.

What kind of fuel system does a 6.5 L diesel have?

The fuel system on this engine includes the fuel tank, mechanical fuel pump, fuel filters, fuel line heater, injectors and fuel lines. The electrical system is less critical to this engine than on later 6.5 L diesels because the injection system is purely mechanical.

When do crankshafts break on a GM 6.2L diesel?

The crankshafts in both the 6.2L and 6.5L are known to break and the blocks crack. In most cases, the end-game for the crank occurs due to the harmonic balancer separating (it’s also been said that the harmonic balancer should be replaced every 100,000 miles).

What kind of engine does a GM 6.2L have?

And unlike the offerings from Ford and Dodge of that era, the 6.2L and then 6.5L turbo diesels could be had in a half-ton truck. Their packaging is similar to that of a Chevy small block and they utilized the common 90-degree V8 GM bellhousing pattern.

Why is my engine light not working on my Chevy Tahoe?

This issue is related to the throttle position sensor, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS. To correct this issue, the wiring harness, connector, and throttle position sensor must be inspected, tested, and/or replaced.

Why does my check engine light come on?

You will see the ‘Reduced Engine Power’ message on the dash and the check engine light will most likely come on. Usually this problem just requires replacement of the pedal assembly, although there have been wiring problems on some makes and models.

Why does my 05 Silverado have a flashing check engine light?

There’s a possibility that there is not enough pressure getting there and or not enough fuel coming through the lines 9 people found this helpful. My 05 silverado is idling rough. CEL started flashing while parked. Soon after CED went off and truck was idling fine. Just happened an hour. Any thoughts. 28 people found this helpful.

This issue is related to the throttle position sensor, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS. To correct this issue, the wiring harness, connector, and throttle position sensor must be inspected, tested, and/or replaced.

Why does my car not have any power?

There are a few possible causes to missing power from an engine and here are a few things to ponder: Your engine may have old gas in the tank. Fuel in the last couple of years now has up to 10% ethanol.

What to do if your K3500 has power loss?

If it has a cooler than stock thermostat or a temp sensor that is reading low the PCM should add fuel. It may even pull timing to get the engine up to temp as well. That probably wouldn’t help you rough idle symptom but it is worth a shot since it seems like you’ve covered everything else.

There are a few possible causes to missing power from an engine and here are a few things to ponder: Your engine may have old gas in the tank. Fuel in the last couple of years now has up to 10% ethanol.

Why is my GM Truck bogging down on hard acceleration?

If your not using delco plugs in this motor that can be a big contributor to your problem. GM vortec engines hate anything but vortec plugs and will do all kinds of weird things. And yes a clogged converter could cause this sort of thing to happen. Are the O2 codes upstream or downstream?

What causes a diesel engine to lose power?

What causes a diesel engine to lose power? 1. Dirty fuel filter 2. Check engine light 3. Intake air leak or restriction 4. Plugged exhaust 5. Malfunctioning throttle pedal 6. Failing injectors 7. Low fuel pressure 8. Malfunctioning Turbo 9. Internal engine problems. 1. Your Diesel Engine Has A Dirty Fuel Filter

Why is my Ford F-250 losing power?

Use an OBD2 Tester to scan the codes. Diesel particulates in the exhaust are trapped by the Diesel Particulate Filter (DPF). Regeneration is the method by which exhaust temperatures are increased so the particulates are expelled. This can be a major source of loss of power and fuel economy.

What causes a diesel truck to lose power?

Diesel particulates in the exhaust are trapped by the Diesel Particulate Filter (DPF). Regeneration is the method by which exhaust temperatures are increased so the particulates are expelled. This can be a major source of loss of power and fuel economy.

What should I do if my Ford truck is losing power?

Depending on whether your truck is gas or diesel, the procedures vary slightly. The truck’s on board ECU (computer) can tell you what problems are being recorded, especially if they are related to emissions or misfires. Use an OBD scanner to scan the codes. Alternatively, some auto supply stores scan vehicle codes for free. Figure 1.

What should I do about my 1994 Chevy Silverado?

My 94 Chevy Silverado was also sputtering, backfiring, missing etc… I changed the fuel filter to no avail, tried several things to get it to run smooth but nothing helped’ until a friend of mine who used to have his own shop told me about a memo he had received years ago dealing with this identical problem. here’s what worked for me!

Why is my Service StabiliTrak not working on my Silverado?

There are many things that can cause the StabiliTrak system to lose its ability to function. It is a complex system. Wheel Speed Sensor – If one of the wheel speed sensors is out, your Silverado will no longer be able to tell if all of the wheels are turning at the same speed. Without this data it’ll turn on the service StabiliTrak warning.

What causes a 1994 Chevy C / K 1500 to bog down?

– CarGurus 1994 Chevy C1500 5.7 bogs/backfires when I give it gas. My truck bogs down (and tries to die) when I give it gas to accelerate off of a stop. There is often a backfire or two when this happens. Pumping the gas does not help. I basically have to crawl through any intersection until it picks up a bit of speed from idle. The truck

Are there any problems with the 5.3 liter Chevy engine?

The 5.3 engine not only can succumb to engine sludge, but to faulty sensors. While this is a very common problem with this type of engine, it can be frustrating nonetheless. There are some quality oil sensors that will increase the performance.

Chevrolet Silverado 1500 owners have reported 23 problems related to engine shut off without warning (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Chevrolet Silverado 1500 based on all problems reported for the Silverado 1500.

Where was the Chevy Silverado 1500 engine shut off?

While driving approximately 50 mph, the check engine indicator illuminated and the engine shut down a few minutes later. The vehicle was towed to dave white Chevrolet (419-885-4444, located at 5880 monroe st, sylvania, OH 43560) where the technician diagnosed and replaced the fuel pump control module.

The 5.3 engine not only can succumb to engine sludge, but to faulty sensors. While this is a very common problem with this type of engine, it can be frustrating nonetheless. There are some quality oil sensors that will increase the performance.

While driving approximately 50 mph, the check engine indicator illuminated and the engine shut down a few minutes later. The vehicle was towed to dave white Chevrolet (419-885-4444, located at 5880 monroe st, sylvania, OH 43560) where the technician diagnosed and replaced the fuel pump control module.

Are there any problems with the Chevy 350 engine?

Non-Design-Related Problems. The beauty of the Chevy 350 is that whatever performance problems its owner may encounter are typical of any engine. There are no significant performance issues related to the Chevy 350 engine’s design. Few problems are also founded in overall performance of used engines as long as they have been well-maintained…

What kind of engine does a 1967 Chevy pickup have?

Many Chevy pickups from this era remain on the road today. The 1967 Chevy pickup models featured four engine choices: the 155-hp, 250- and 175-hp 292-cubic-inch in-line six-cylinder and 235-hp 283 and 275-hp 327 V-8s. The 292 six and 327 V-8 were options. The 250 six and 283 V-8 were standard equipment.

What should I do if my Chevy 350 engine is not charging?

If the voltmeter shows 13.50 to 14.75 volts, the alternator is charging properly. Shut the vehicle off. Have a helper start the vehicle while you are watching the voltmeter. If the voltmeter drops below 10.75 while the vehicle is being started, the battery will not hold a charge and needs to be replaced.

What kind of engine was a Chevy Chevelle before 1972?

Before 1972, most engines were rated by SAE standards J245 and J1995. This calculated the output of a bare engine on a test stand with no accessories, free-flowing exhaust headers, and optimal ignition timing.

What should I do if my Chevy 350 engine is not running?

Check for a fuel problem by spraying carburetor cleaner into the carburetor. Start the vehicle. If the vehicle starts, there is a fuel problem. If you have a mechanical fuel pump and the lines are not clogged, replace the mechanical pump. If you have an electric fuel pump, check the relay. If the relay is bad, replace it.

What should voltage be to start Chevy 350?

If the voltage is below 12.00, the battery needs to be charged before further testing. Start the vehicle after charging the battery. Touch the battery terminals with the respective voltmeter leads as outlined in the previous step. If the voltmeter shows 13.50 to 14.75 volts, the alternator is charging properly.

What’s the RPM on a Silverado that won’t Rev?

Put it into gear and accelerate, you have to give it a significant amount of throttle to get it up to speed. If you put it to the floor, it won’t rev beyond 4000 RPM. At ~2500 RPM with only enough throttle to maintain speed (transmission manually shifted to 3rd gear), it will surge and hunt.

What to do if your Silverado has no power?

Check your fuel pressure with a gauge. Still could be the mafs though like you thought. Try unpluging it and see if anything changes. Try giving it a good cleaning too. Then check the vacuum line to the map sensor. If it’s got vacuum then the map sensor itself may be bad. I would lean toward fuel filter, fuel pressure regulator or the pump.

What are the common problems with Chevy Silverado trucks?

Among them the RF hub and bearing is failing and the wheel is about to fall off, the rear brakes at shot, the front inner tie rod ends are loose, it’s low on coolant, the front differential seals leak gear fluid and the LF exhaust manifold is leaking and bolts are broken off in the head (not shown).

What kind of truck is a 1999 Chevy Silverado?

This is a 1999 Silverado 1500 5.3L 4X4 that was brought in for a general inspection. The funny thing is the customer commented on how well it is driving since they recently purchased it apart from a noise in the front. After a quick inspection I noticed some very concerning problems that need to be addressed.

Is the Z71 k1500 a bad car?

Those are textbook symptoms of a bad one. My good friend has a ’98 3/4 ton with the 5.7 and his was doing the exact same thing, no check engine light, did a complete tune-up…all to no avail. He swapped the MAS with a friend of his who had a ’97 and it ran perfect.

What causes a Chevy Silverado engine to surge?

My 1999 silverado with the 5.3 engine. the motor will occasionally surge at crusing speeds between 40 and 60 mph. I figured out how to induce it by letting off the gas and quickly giving it 1/4 throttle and about half the time this will cause the engine to surge.

What are the RPMs of a Silverado truck?

alkaspeltzar wrote: Hey guys, my 2010 5.3 AFM Silverado w/66,000miles has been RPM surging while driving over the past couple weeks. It seems to happen primarily when traveling between 45-55mph. When driving, slightly accerating, the truck is doing about 1100 rpm in its 6th gear. The engines RPMs seem to bounce back and forth 50-100 rpm.

Why is my Chevy 5.3 liter engine surging but no code?

I figured out how to induce it by letting off the gas and quickly giving it 1/4 throttle and about half the time this will cause the engine to surge. But it will not a throw a code and is beginning to drive me crazy. any help is greatly appreciated.

What does rough idle mean on a GMC Sierra?

rough idle, stalling, loss of power. o2 sensor code 44 (lean) Replaced: coolant temp sensor, tps, map sensor, fuel filter, and o2 sensor. It will run normal on occasion but only lasts about 45 seconds or so.

Author Image
Ruth Doyle