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What should the fuel pressure be on a Chevy Silverado?

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What should the fuel pressure be on a Chevy Silverado?

If you want to save some bucks on this purchase take a look at my recommendations here: Where To Buy A Fuel Pressure Test Gauge. FUEL PRESSURE SPECIFICATION: The fuel pressure specification for the 1999-2006 4.8L, 5.3L, 6.0L Chevrolet Silverado (Suburban, Tahoe) and GMC Sierra (Yukon, Yukon XL) is 55 to 62 PSI. Flex fuel engines: 48-54 PSI.

Why is my GM 4.8l engine running too lean?

The engine may be running too lean, due to a leaking intake manifold. Too lean means too much air and not enough fuel; according to the power control module (PCM) calculation. When the engine is cold, not all sensors function. As the engine warms up the oxygen sensors report the lean condition.

What kind of engine is in a Chevy Silverado?

General Motors 6.0L Vortec 6000 or V-8 since the 2010 model year is the gas engine choice to suit heavy-duty applications. This included the GMC Sierra and Chevrolet Silverado.

Are there any problems with the Chevy 6.0 engine?

If you are a user of Chevrolet 6.0 Vortec Engine, you must have the ideas of common Chevy 6.0 Engine Problems. In any vehicle, the engine is regarded as the most essential component. The Chevy 6.0 engine, similar to any other component, might develop some technical problems – which can make owners look for ways on how to fix them.

What kind of engine does a Chevy Silverado have?

The 6.0 engine had nine variations over its 20 year life span. However, the most popular engine versions were the LQ4 and LY6. Overall, the Vortec 6000 engine was most popular in HD-model Silverado’s and Sierra’s along with the Suburban and Yukon XL car models.

If you are a user of Chevrolet 6.0 Vortec Engine, you must have the ideas of common Chevy 6.0 Engine Problems. In any vehicle, the engine is regarded as the most essential component. The Chevy 6.0 engine, similar to any other component, might develop some technical problems – which can make owners look for ways on how to fix them.

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.

What are the symptoms of a Chevy 6.0L TPS failure?

Chevy 6.0L TPS Failure Symptoms 1 Rough idling, stalls at idle, jumping RPM’s 2 Lack of power, acceleration, etc. 3 Engine misfires 4 Irregular shifting

Trucks with either the 5.0-liter or 5.7-liter V-8 should have fuel pressure between 60 and 66 psi. As long as the fuel pressure is within the normal range, the fuel system is likely operating normally.

What does 12 psi mean on GM fuel pump?

CASE 2: If the fuel pressure gauge registered 12 PSI. This fuel pressure gauge result lets you know that the fuel pump is working and delivering enough fuel to the fuel injectors. The reason your 4.3L, 5.0L, or 5.7L GM vehicle is not starting is due to another reason.

What’s the fuel pressure on a 1996 Chevy k1500?

Alright guys im relying on someone to help me out here with the actual PER GM specs for the Vortec Fuel pressure. I have done alot of searching and know that anything over 55 etc is good however my buddys truck (1996 Chevy K1500 5.7L 4L60E) has a P0300 code and after alot of digging i checked the fuel pressure.

What should the fuel pressure be on a GM 4.3L?

This is where you’ll connect your fuel pressure gauge (the first photo, in the image viewer, is of a 4.3L, and the second of the V8 engine). NOTE: In case you’re wondering, the factory manual specifies that the fuel pressure for the CSFI system should be between 56-62 PSI. The CPI system’s fuel pressure should be between 60-66 PSI.

Alright guys im relying on someone to help me out here with the actual PER GM specs for the Vortec Fuel pressure. I have done alot of searching and know that anything over 55 etc is good however my buddys truck (1996 Chevy K1500 5.7L 4L60E) has a P0300 code and after alot of digging i checked the fuel pressure.

How can I check the pressure of my fuel pump?

There are two ways to tap into the fuel line to see how much pressure the fuel pump in producing. One method involves removing the fuel filter and using an adapter, that has a Schrader valve on it, in its place. You then connect your fuel pressure test gauge to this adapter.

Can you test the fuel pump on a GM Truck?

And although GM did not include a Schrader valve to which you could connect a fuel pressure gauge, it can be tested with one to find out if the fuel pump is producing the correct pressure (or not).

What are the symptoms of a bad fuel pump?

Symptoms Of A Bad Fuel Pump. Where To Buy The Fuel Pump And Save. TEST 1: Using Starting Fluid. TEST 2: Fuel Pressure Test With Gauge. Which And Where To Buy A Fuel Pressure Gauge. More GM 4.3L, 5.0L, 5.7L Tutorials. You can find this tutorial in Spanish here: Cómo Verificar La Bomba de Combustible en Los Sistemas TBI (at: autotecnico-online.com ).

What should I do if my 2000 Chevy Silverado dies?

2000 chevy silverado starts then dies repeatedly has a new fuel pump fuel pressure regulater and mass air senser 2000 chevy silverado starts then dies repeatedly has a new fuel pump fuel pressure regulater and mass air senser – Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website.

What kind of fuel pump does a Chevy Silverado have?

2000 chevy silverado starts then dies repeatedly has a new… 2000 chevy silverado starts then… 2000 chevy silverado starts then dies repeatedly has a new fuel pump fuel pressure regulater and mass air senser Show More Show Less Ask Your Own Chevy Question Share this conversation Answered in 5 minutes by: .

What makes a 2000 Chevy 4.3 truck not start?

7,686 satisfied customers 2000 Chevy 4.3 truck start won’t start runs little rough 2000 Chevy 4.3 truck start won’t start runs little rough fuel pump new think it’s fuel pressure regulater …  read more Roy Belding 7,686 satisfied customers

If you want to save some bucks on this purchase take a look at my recommendations here: Where To Buy A Fuel Pressure Test Gauge. FUEL PRESSURE SPECIFICATION: The fuel pressure specification for the 1999-2006 4.8L, 5.3L, 6.0L Chevrolet Silverado (Suburban, Tahoe) and GMC Sierra (Yukon, Yukon XL) is 55 to 62 PSI. Flex fuel engines: 48-54 PSI.

How to test the fuel pump on a Chevy Silverado?

All of the following fuel pressure test gauge kits will help test the fuel pump on your Chevrolet Silverado (Suburban, Tahoe) and GMC Sierra (Yukon, Yukon XL): As I mentioned at the beginning, testing the fuel pump simply involves connecting the fuel pressure test gauge to the fuel system.

What should fuel pressure be on 2002 Vortec 6000 6.0L?

I have also checked my fuel pump voltage and was wondering if anyone knows the proper voltage for a one plug fuel pump for a 2002 2500hd 6.0L? Key on/engine off the fuel pressure should be 55-62 psi. Try the key off and on several times to see if it goes up. After the pump stops (key still on) the fuel pressure may vary, then stabilize.

What should the fuel pressure be when the key is off?

Key on/engine off the fuel pressure should be 55-62 psi. Try the key off and on several times to see if it goes up. After the pump stops (key still on) the fuel pressure may vary, then stabilize. Once it does watch the fuel pressure for 1 minute, the fuel pressure should drop no more than 5 psi.

What is the pressure regulator on a Chevy Silverado?

Your Silverado’s fuel pressure regulator controls the pressure of the fuel before it hits the fuel rail. Keeping consistent pressure to the fuel injection system is vital to the efficient operation of any engine.

All of the following fuel pressure test gauge kits will help test the fuel pump on your Chevrolet Silverado (Suburban, Tahoe) and GMC Sierra (Yukon, Yukon XL): As I mentioned at the beginning, testing the fuel pump simply involves connecting the fuel pressure test gauge to the fuel system.

Where is the fuel pressure sensor on a Silverado?

Maximum current supplied to the fuel pump is 22 A. The fuel pressure sensor is a serviceable 5 V, 3-pin device. It is located on the fuel feed line forward of the fuel tank, and receives power and ground from the engine control module through a vehicle wiring harness.

What does 0 psi fuel pressure test mean?

CASE 2: You got 0 psi fuel pressure. This test result lets you know that the fuel pump is defective and is causing the engine to not start. Before you replace the fuel pump, make sure that the fuel pump relay and fuel pump fuse are supplying power to the fuel pump when the engine is being cranked.

What should the fuel pressure be on a Vortec?

Check the factory repair manual and see what the specification for the fuel pressure is. It’s kinda wierd that it occured right after a major repair (although not unheard of). I’m not a big believer in coincidence.

What’s the fuel pressure on a Silverado Sierra?

Swapped the fuel pressure regulator and it fixed that. Once done, I borrowed a friends pressure tester. We got 62 psi on his 6.0 truck. Mine was 38. So I replaced the pump (acdelco1613)and filter.

When to replace the fuel pressure regulator on a Chevy Silverado?

If your Silverado’s engine is stalling and displaying the symptoms below, the fuel pressure regulator might have gone bad. So if your truck’s regulator is in need of a replacement, follow these steps to learn how to do it yourself. This article applies to the Chevrolet Silverado GMT800 (1999-2006).

Why does my Chevy Silverado idle all the time?

This is the Active Fuel Management system which shuts off some cylinders when there is less demand for fuel, and it does improve fuel economy. This cylinder shut-off system was originally used by Cadillac in the early 1980s. A software malfunction is causing the engine to idle with most of their cylinders, instead of just four.

What causes a Chevy Silverado engine to stall?

If your Silverado’s engine is stalling and displaying the symptoms below, the fuel pressure regulator might have gone bad. So if your truck’s regulator is in need of a replacement, follow these steps to learn how to do it yourself.

Why does my Chevy Silverado 1500 leak fuel?

It does not do it when the engine is hot, nor does it idle rough when it is hot. So that is what leads me to thinking that the pressure is leaking out of the system because it acts as if there is no fuel there. I’ve had the battery and starter checked so that eliminated that.

Is there a problem with my Chevy Silverado?

From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. 2011 Chevy Silverado 1500 Fuel Pressure Problem? 2011 Chevy Silverado 1500 with the 4.8l V8? I ask this because I am experiencing be bad.

What are the symptoms of a bad fuel pressure regulator?

The symptoms are very noticeable, too. You may notice a very rough idle, rough acceleration, slow acceleration, and vibrations from the engine. There are also many causes of engine misfires. It can be a problem in the spark plug or the ignition coil.

Why does my GMC Envoy have high oil consumption?

This bulletin does not apply to the Buick Rainier, Chevrolet TrailBlazer and GMC Envoy equipped with LH6 due to a different design oil pan and AFM pressure relief valve. On higher mileage vehicles (30,000-40,000 miles) you may notice high oil consumption along with a service engine soon light on and a rough running engine.

What causes excessive oil consumption in a GM car?

That causes increased oil consumption and cracked or fouled spark plugs in cylinders #1 and/or #7. For vehicles with aluminum or cast iron blocks built prior to February 1, 2011 and with oil in the intake manifold, install an updated valve cover.

What happens when there is too much fuel in the engine?

Because there is more fuel than what the engine can handle, it can backfire. The continued combustion of the engine allows the car to continue running at the same speed. When you lift your foot off the pedal, it may take a while before you notice the car slow down. This can have serious safety implications.

What was the minimum fuel pressure for a GMC Savana?

This engine required 12 lbs of fuel pressure per square inch. The minimum flow was 29 gallons per hour and the minimum current was 12 volts. The fuel pump was located in the gas tank. From 1987 to 1996 the GMC Savana used 5.7-liter eight-cylinder engine. The fuel pump for this engine required 12 lbs of fuel pressure per square inch.

What’s the minimum fuel pressure for a GMC Yukon?

The Sonoma used a six-cylinder 4.3-liter engine from 1997 to 2001. The fuel pump required 61 pounds of fuel pressure per square inch. The minimum flow was 26 gallons per hour with a 13 volt minimum requirement. The fuel pump was located in the gas tank. From 1992 to 1995 the GMC Yukon used an eight-cylinder 5.7-liter engine.

What was the fuel pressure on a GMC pickup?

The fuel pump required 12 lbs of fuel pressure per square inch. The minimum flow was 29 gallons per hour, while 12 volts was the minimum current requirement. The fuel pump was located inside the gas tank. Fuel Pumps: 1985-1990 GMC S15 Pickup Fuel Pump 4 Cyl. 2.5L (E) T.B.I.

This engine required 12 lbs of fuel pressure per square inch. The minimum flow was 29 gallons per hour and the minimum current was 12 volts. The fuel pump was located in the gas tank. From 1987 to 1996 the GMC Savana used 5.7-liter eight-cylinder engine. The fuel pump for this engine required 12 lbs of fuel pressure per square inch.

The Sonoma used a six-cylinder 4.3-liter engine from 1997 to 2001. The fuel pump required 61 pounds of fuel pressure per square inch. The minimum flow was 26 gallons per hour with a 13 volt minimum requirement. The fuel pump was located in the gas tank. From 1992 to 1995 the GMC Yukon used an eight-cylinder 5.7-liter engine.

What was the minimum fuel pressure for a GMC Caballero?

The minimum flow was 29 gallons per hour and 12 volts was the minimum current requirement. The fuel pump was located in the gas tank. The GMC Caballero used a six-cylinder 4.3-liter engine from 1986 to 1987. This engine’s fuel pump required 12 pounds of fuel pressure per square inch.

How can I check the pressure on my fuel pump?

Attach the fuel pressure gauge at the fuel rail test port. Cycle the key on and off a few times and watch the pressure should go up to specifications and not drop for a long time or more than ten minutes before any drop of more than 1 or 2 psi is seen.

What’s the pressure on a fuel pump tester?

The tester’s gauge reads 0-100 PSI, 0 to 7 bar. The fuel injection pump tester comes with flex hoses, fittings and instructions for quick reference. The tester fits most systems, except for Bosch, CIS-Jetronic, and GM throttle body systems. Quickly test the fuel pump pressure on most injector systems. Gauge reads 0-100 PSI, 0 to 0.7 bar.

How to test fuel pressure on a Chevy S10?

Here is how to perform a pressure test at the fuel rail. This test can be done to diagnose a number of things. Bad fuel pump, injectors, fuel lines, etc. I did this test on my 2.2 Chevy S10, but this will be the same with any vehicle with a valve already installed from the factory. https://www.amazon.com/gp/product/B00…

What does 0 psi mean on fuel pump?

CASE 1: If the fuel pressure gauge registered 0 PSI. This confirms that the cause of your Venture’s (Malibu, Impala, Lumina, Grand Am, Cutlass Supreme, etc.) is caused by a lack of fuel.

How can I tell if my fuel pump is bad?

When ready, have your helper bump the starter motor while you verify if fuel comes out or not. No fuel coming out of the fuel line further confirms a bad fuel pump. Making sure that the fuel pump is getting power (12 Volts) when you crank the engine.

How to check fuel pressure while cranking engine?

TEST 1: Checking The Fuel Pressure Specification. So, the very first thing you need to do is to verify that the fuel pump is delivering at least 50 PSI of fuel pressure while the engine is cranking. Yes… while the engine is cranking. Locate the Schrader valve on the fuel line that connects to the ‘Spider’ assembly.

What should the fuel pressure be on a CPI?

The CPI system’s fuel pressure should be between 60-66 PSI. The manual doesn’t specify if this pressure is key on engine off, only that this pressure should be maintained ‘ under all operating conditions’.

How to check fuel pressure in Gen 5.7L?

1. Fuel pressure regulator- pull the vacuum tubing off the fpr and if there is fuel, diaphragm is shot, Replace the fpr. Oh I did not notice you have an old gen 5.7L. FPR is inside the intake. Can’t check the diaphragm condition unless intake is off. 2.

What are the specs on a 2000 Chevy c 3500?

Research 2000 Chevrolet C 3500 HD specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs. Trans Description Cont. Again

What should fuel pressure be in a truck?

Fuel pressure test when cold, turn key on and spikes to almost 60psi, then quickly drops to about 10psi, but truck still starts ok. Holds pressure around 52psi. Turn key off and pressure drops rapidly. When motor hot, turn key on and climbs slowly mid 50s, then falls back down. Long crank and need to pump pedal to catch.

1. Fuel pressure regulator- pull the vacuum tubing off the fpr and if there is fuel, diaphragm is shot, Replace the fpr. Oh I did not notice you have an old gen 5.7L. FPR is inside the intake. Can’t check the diaphragm condition unless intake is off. 2.

Fuel pressure test when cold, turn key on and spikes to almost 60psi, then quickly drops to about 10psi, but truck still starts ok. Holds pressure around 52psi. Turn key off and pressure drops rapidly. When motor hot, turn key on and climbs slowly mid 50s, then falls back down. Long crank and need to pump pedal to catch.

Is the Vortec 454 in a 97 Silverado 3500?

I have a 97 silverado 3500 with the vortec 454 in it. It has 200k on it, and has a horrible low throttle input miss and a high idle at times. It is also way down on power and stumbles until you really give it some gas, but even then, you can tell its low on power.

Can a fuel pump leak cause a P0300 to misfire?

Intake leak, injector and fpr leak can cause P0300 multiple misfire though. Idle will be unstable and rough. Injectors and fpr can be checked with upper intake off with fuel lines connected and fuel pump primed. Yes, must prime before starting to avoid hard start.

How to test the fuel pump in a V8?

These are the test steps: 1 Connect your fuel pressure tester to the Schrader valve. 2 Have your helper crank the engine while you observe the needle on the fuel pressure tester gauge. 3 The fuel pressure tester should give you a reading between 55 to 62 PSI.

Your Silverado’s fuel pressure regulator controls the pressure of the fuel before it hits the fuel rail. Keeping consistent pressure to the fuel injection system is vital to the efficient operation of any engine.

What should fuel pressure be on Silverado truck?

Does it stay down near 52, drop further, or does it come back up to 58? If you jumper the fuel pump test lead (labeled “fuel pump prime connector” in Chilton’s wiring diagram and is a red wire coming out of the power distribution box that just dead ends.

It does not do it when the engine is hot, nor does it idle rough when it is hot. So that is what leads me to thinking that the pressure is leaking out of the system because it acts as if there is no fuel there. I’ve had the battery and starter checked so that eliminated that.

How does the Chevy Silverado 1500 fuel pump work?

The Fuel System is an electronic returnless on-demand design. tank. Reducing the internal temperature of the fuel tank results in lower evaporative emissions. sender assembly inside the fuel tank. The fuel pump supplies high fuel injection system. The fuel pump provides fuel at a higher rate of flow than is needed by the fuel injection system.

What’s the fuel pressure on a Vortec 96?

I checked my fuel pressure and its 59-60 key on engine off and 52 at idle, jumps to 60-62 after blipping throttle. I could probably run pump longer but my fuel gauge has been all over place for years and hell maybe I will pick up a bit of performance.

What should the fuel pressure be on a 4.3L Vortec?

The fuel system in your 4.3L, 5.0L, or 5.7L Vortec engine needs at least 50 PSI of fuel pressure to start. The fuel pump produces much more than just 50 PSI of course.. but the bare minimum the engine needs to start is 50 PSI…

What should fuel pressure be for 1996-1998 Vortec?

Post your thoughts on proper fuel pressure spec for 1996 – 1998 and some 1999 VORTEC with poppet SFI or electronic MPFI conversion here Pressures with current pump… I will post new pics after installing new Delphi HP10001 Fuel Pump.

What should the fuel pressure be on a flex fuel engine?

Flex fuel engines: 48-54 PSI. These are the test steps: Connect your fuel pressure tester to the Schrader valve. Have your helper crank the engine while you observe the needle on the fuel pressure tester gauge. The fuel pressure tester should give you a reading between 55 to 62 PSI. CASE 1: The fuel pressure is within the indicated specification.

What kind of gas does a Suburban 1500 have?

2007 Suburban 1500 4×4 with 5.3 L flex fuel LTZ 267,000+ miles. Having trouble with running rough and misfire. The ODB II indicates P0307.

This is where you’ll connect your fuel pressure gauge (the first photo, in the image viewer, is of a 4.3L, and the second of the V8 engine). NOTE: In case you’re wondering, the factory manual specifies that the fuel pressure for the CSFI system should be between 56-62 PSI. The CPI system’s fuel pressure should be between 60-66 PSI.

What’s the gas mileage on a Chevy Silverado 1500?

This was verified by topping off the tank to the same level and averaging the results over three fill-ups. My average highway mileage in varied terrain with the AC on is around 21 mpg. This is not bad for a crew cab 4×4 with a 5.3-liter engine. Try to find a gas pump that is not on a grade and has a level parking place.

What can I do to increase gas mileage on my Chevy Silverado?

Adding anything to the body of your truck, such as a light bar, “headache rack” or grill guard will increase drag and reduce fuel economy. One thing that noticeably boosted the fuel mileage of my Chevy Silverado 1500 was switching to synthetic oil and gear lube.

What should the fuel pressure be for a 3.1 liter engine?

The fuel pressure requirement for the proper operation of a 3.1 liter engine depends on the model year and your fuel injection system. The 3.1 liter engine was used from 1998 through 2002 on a wide range of vehicles. Some 1988 through 1989 vehicles with the 3.1 liter engine have a fuel pressure requirement of 34 to 47 PSI (pounds per square inch).

What’s the fuel pressure requirement for a 1991 GM 3L?

The F body vehicles continued this fuel pressure requirement through 1992. 1989 W body vehicles have a fuel pressure requirement of 40 to 47 PSI. The 1991 A body vehicles have a fuel pressure requirement of 40.5 to 47 PSI.

CASE 2: You got 0 psi fuel pressure. This test result lets you know that the fuel pump is defective and is causing the engine to not start. Before you replace the fuel pump, make sure that the fuel pump relay and fuel pump fuse are supplying power to the fuel pump when the engine is being cranked.

The fuel pressure requirement for the proper operation of a 3.1 liter engine depends on the model year and your fuel injection system. The 3.1 liter engine was used from 1998 through 2002 on a wide range of vehicles. Some 1988 through 1989 vehicles with the 3.1 liter engine have a fuel pressure requirement of 34 to 47 PSI (pounds per square inch).

Is the lift pump on a Duramax diesel truck?

Duramax diesel trucks do not have a lift pump. start with the simple things make sure your fuel filter is tight and check the shreader vlave on the fuel rail if that don’t help check the filter housing for a leaks arround the heater element or a crack in the housing itself You can’t post conmments that contain an email address.

How much does a fuel pump cost on a Chevy Silverado?

The best part is, our Chevrolet Silverado 2500 HD Fuel Pump products start from as little as $58.99. When it comes to your Chevrolet Silverado 2500 HD, you want parts and products from only trusted brands.

Flex fuel engines: 48-54 PSI. These are the test steps: Connect your fuel pressure tester to the Schrader valve. Have your helper crank the engine while you observe the needle on the fuel pressure tester gauge. The fuel pressure tester should give you a reading between 55 to 62 PSI. CASE 1: The fuel pressure is within the indicated specification.

Good fuel pressure (55psi). A second dealership has no idea of the cause; cjecked relay and its good. Message Center indicates low fuel when it’s not starting (lots of fuel in it). Anybody have this problem, and know whats the cause? RUSTY……….No imm. start when hot ? Sounds like the FPR (fuel pressure reg.). Easy to check. Locate the fpr.

What should I do if my Chevy Silverado is not starting?

Fuel pump has been changed, fuel filter, Fuel pump relay, Fuel pump fuse, ignition coil, all have been changed or checked. Any ideas. It is getting power, just seems to not be getting any fuel. The possibilities are endless. Start with basics. Compression. Spark. Fuel. Air in and out. Check the compression with a compression gauge.

What kind of engine does Chevy Silverado have?

I have a 2002 Silverado with 5.3L engine. Occasionally, when I turn it off, come back a few minutes later, it turns over but won’t start. Leave it 15 mins and it starts. Recently wouldn’t start at all, dealership put in fuel filter and fuel pump. Problem persists. Good fuel pressure (55psi).

How to check for fuel leaks in a GM 4.3L?

Once the fuel pressure gauge registers pressure, check for fuel leaks around the Schrader valve. It’s very important that NO fuel leaks are present for the accuracy of the test. Once you have verified no fuel leaks, continue to the next step. Have your assistant crank the engine as you eyeball the fuel pressure gauge.

How often should you replace the fuel filter on a Chevy Silverado?

This article applies to the Chevrolet Silverado GMT800 (1996-2006). In a fuel injected fuel system, the fuel filter is extremely important. It is critical in keeping contaminants and particles from clogging injectors or other parts of the fuel system. The fuel filter is recommended to be replaced every 30,000 miles or 30 months.

Where is the fuel filter on a Vortec V8?

Your fuel filter is inside your fuel tank and it is part of your fuel module. I have some pictures of it on here somewhere. It’s a lifetime filter. To replace it you need to drop the tank and replace the entire fuel module.

Where is the fuel filter on a truck?

The fuel filter should be just forward of the fuel tank. Your truck should tell you when it’s time for an oil change. If you have an info button then toggling thru it should get you to “engine oil life”. But if you just got the truck you should change the oil unless you know for a fact that it’s been changed.

When is it time to change the fuel filter?

The only way your vehicle will notify you it’s time to change the fuel filter, is when it has no fuel pressure and it stalls or doesn’t start. You probably will be safe till about 180 to 200,000 miles. That is IF you buy quality fuel without ethanol.

What’s the fuel pressure on a 99 5.7L?

Not sure what this means in real life. My 99 5.7L was always a little below the low end of the fuel pressure specs – even with a new GM pump (still ran fine). Thanks for your reply. Key on, engine off for my truck is 55 psi. Driving is 45 psi. I just can’t believe 45 is enough for this engine.

What is the correct fuel pressure, 5.3 engine?

My 99 5.7L was always a little below the low end of the fuel pressure specs – even with a new GM pump (still ran fine). Thanks for your reply. Key on, engine off for my truck is 55 psi. Driving is 45 psi. I just can’t believe 45 is enough for this engine.

Not sure what this means in real life. My 99 5.7L was always a little below the low end of the fuel pressure specs – even with a new GM pump (still ran fine). Thanks for your reply. Key on, engine off for my truck is 55 psi. Driving is 45 psi. I just can’t believe 45 is enough for this engine.

My 99 5.7L was always a little below the low end of the fuel pressure specs – even with a new GM pump (still ran fine). Thanks for your reply. Key on, engine off for my truck is 55 psi. Driving is 45 psi. I just can’t believe 45 is enough for this engine.

Are there any problems with the Chevy 4.8L Vortec?

The two engines tend to have similar problems, but the 4.8 Vortec comes in at a higher reliability rating on our scale due to its lack of AFM, which is known to cause problems on just about every engine it touches. 1. Intake Knock Sensor – 4.8L Vortec

What kind of fuel pump does Chevy 4.8 use?

The 4.8 uses a sequential multi-port fuel injection system, which is jargon for saying that the fuel system uses a fuel pump to send fuel to the injectors which then sprays fuel into the intake ports.

How to troubleshoot a GM 4.8L 5.3L?

You can find this tutorial in Spanish here: Cómo Diagnosticar y Resolver Una Falla en Cilindro (GM 4.8L, 5.3L, 6.0L) (at: autotecnico-online.com ). The core symptom of a misfire is rough idle. This isn’t the only symptom that your GM van, pickup or SUV might experience… here are some more that you might see:

The two engines tend to have similar problems, but the 4.8 Vortec comes in at a higher reliability rating on our scale due to its lack of AFM, which is known to cause problems on just about every engine it touches. 1. Intake Knock Sensor – 4.8L Vortec

What makes a GM 4.8l engine misfire?

Now that we’re aware of the core essentials that each engine cylinder needs to run at a 100% power output.. in the next sections I’ll explore some of the specific components that fail and cause a misfire and misfire codes.

What are the symptoms of low fuel pressure?

Low Fuel Pressure Symptoms & Causes 1 Unresponsive Throttle. All cars require proper fuel delivery to their cylinders in order… 2 Difficulty Starting the Car. Low fuel pressure will also make it hard for you to ignite your car’s… 3 Stalling Engine. If your car’s engine stalls while running, it is a clear sign you are having some…

What should the fuel pressure be on a 1998 Chevy Silverado?

Fuel Pressure Specification The fuel pressure specification for the 1998 Chevrolet Silverado truck is from 55 to 61 lbs. per square inch (psi) for models equipped with the 4.3-liter V-6. Trucks with either the 5.0-liter or 5.7-liter V-8 should have fuel pressure between 60 and 66 psi.

Why is my Chevy Suburban rough idle and stalling?

I ordered the part and when it came in I went to install it to find that the throttle body on my suburban did not have an IAC Valve on it (I have Pics). I climbed under the dash and put an adhesive spacer under the stop for the pedal and the problem is fixed for now. What is going with these vehicles? HELP!

Where is the fuel gauge on a 1998 Chevy Silverado?

Turn off the 1998 Silverado’s engine and open the truck’s hood. Open the fuel door and loosen the fuel cap to vent the tank. Hook the fuel pressure gauge to the test port on the engine’s fuel rail, located on the passenger side of the engine compartment.

Can a surburban have a rough idle on cold start?

Fry- I have an ’02 Surburban that has a rough idle on cold start. Typically, the temps have to be 40 degrees or below for this to occur. It never happens during the warm spring, summer and fall months.

What should the pressure be on a fuel pump?

On classic cars with mechanical style fuel pumps, however, the pressure is much lower—between four and six PSI. If you suspect that your fuel pump is not producing enough pressure, there are two tests you can perform. The first is a simple pressure output test.

Where is the connector on a Chevy fuel pump?

When you get the Delco replacement parts it comes with a new connector on the fuel pump side. The problem is the connector on the vehicle side of the harness. In the online Chevrolet repair manual I use, a Tech Tip states, the connector should be replaced with the fuel pump assembly.

When to replace the fuel pump on a Chevy Silverado?

If your Chevrolet Silverado isn’t performing the way it once did, or if you feel like you’re stepping on the gas pedal and not much is happening, it may be time to replace the fuel pump. This article applies to the Chevrolet Silverado (1999-2006).

How much pressure does a fuel pump have?

Fuel Pump, Victor Series, Racing, Mechanical, 10 psi Maximum Pressure, Chevy, GMC, Big Block, Each

Is the Chevy Suburban hard to start and low fuel rail?

2007 Chevy Suburban hard to start and low fuel rail pressure. 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.

I checked my fuel pressure and its 59-60 key on engine off and 52 at idle, jumps to 60-62 after blipping throttle. I could probably run pump longer but my fuel gauge has been all over place for years and hell maybe I will pick up a bit of performance.

What should the fuel pressure be on a 5.0 liter V-8?

Trucks with either the 5.0-liter or 5.7-liter V-8 should have fuel pressure between 60 and 66 psi. As long as the fuel pressure is within the normal range, the fuel system is likely operating normally. If the fuel pressure is low, common symptoms include rough idling and engine hesitation.

What’s the fuel pressure on a 1996 Vortec?

Key on/engine off 60PSI, Engine idle (700ish RPM) 52PSI, Reving engine drops to 48PSI then goes back to 50PSI… as i said i did alot of digging on the site and around the web, and the numbers were all over the place. I know key on 55-60 is the keyish, and idle is around the same.

What’s the fuel pressure on a 97 Chevy?

There are two different fuel pressure specs for this vehicle. Central SFI 60-66 psi SFI 56-62 psi If you are not experiencing any drive ability issues, then I would not worry about. IF it is still hard starting, then I would try adding some fuel or starting fluid ot the intake to see if she fires right up when this happens.

What was fuel pressure when I replaced the fuel pump?

It had a no start issue, I replaced the fuel pump- the fuel rail pressure was 42 lbs. When I replaced the fuel pump, at Key On Engine Off, the fuel pressure was 60 lbs and held for 30 seconds. I didn’t perform a 2-3 minute pressure hold test.

The minimum flow was 29 gallons per hour and 12 volts was the minimum current requirement. The fuel pump was located in the gas tank. The GMC Caballero used a six-cylinder 4.3-liter engine from 1986 to 1987. This engine’s fuel pump required 12 pounds of fuel pressure per square inch.

Once the fuel pressure gauge registers pressure, check for fuel leaks around the Schrader valve. It’s very important that NO fuel leaks are present for the accuracy of the test. Once you have verified no fuel leaks, continue to the next step. Have your assistant crank the engine as you eyeball the fuel pressure gauge.

How can I tell if my fuel pressure sensor is correct?

First, make sure that the fuel pressure sensor is correct. Check the fuel pressure with a manual fuel pressure gauge to figure out if you can find any problems with the pressure. If so check fuel pressure regulator.

What kind of engine does GMC Yukon XL have?

Overview Overview Most Popular 1500 SLE Rwd 4dr SUV 5.3L 8 Engine Type Flex-fuel (ffv) Transmission 4-speed automatic Drive Type Rear wheel drive Cylinders V8

The fuel system in your 4.3L, 5.0L, or 5.7L Vortec engine needs at least 50 PSI of fuel pressure to start. The fuel pump produces much more than just 50 PSI of course.. but the bare minimum the engine needs to start is 50 PSI…

How does the fuel pressure regulator work on a Silverado?

The fuel pressure regulator in your Silverdo’s engine regulates the amount of fuel entering the fuel injectors. There’s a very specific air/fuel ratio that allows the engine to run properly.

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Ruth Doyle