What makes the Check Engine light come on on a Chevy Silverado?

Depending on the year and model of your Silverado, your truck can have up to four oxygen sensors. Unfortunately, a problem with any one of them can cause the check engine light to come on—but that’s not all.

What kind of engine does a Chevy Silverado have?

Whether you currently own a 6.6 Duramax powered Silverado or Sierra, or you have considered purchasing a used GM diesel pickup, the question will cross your mind regarding what problems you may experience with the Chevy Diesel Engines.

How to troubleshoot a Chevy Silverado check engine?

To troubleshoot, make a note of which cylinder appears to be misfiring. Then swap that coil for another one on the vehicle. By swapping the coils, you can see if the issue goes away or if it follows the coil, which would indicate that the coil is bad and needs to be replaced. If playback doesn’t begin shortly, try restarting your device.

When did the LMM diesel engine come out?

Following the LBZ being phased out in mid-2007, the LMM Duramax took its place as Chevy & GMC’s diesel truck engine. Following the same 6.6L powerplant, the LMM was introduced due to continuously increasing diesel emissions regulations and lasted until 2010 when it was phased out for the LML.

Why does my Chevy Silverado lose power when accelerating?

Found out the loss of power was due to the left side manifold. GM does not stock the part to fix this ANYWHERE!!! Vehicle won’t go faster than 80km/h and you can’t take it on the highway at all. This is our only vehicle that can hold the kids and GM says it’s not an issue.

What happens if your check engine light goes off?

It sends data to the vehicle’s computer, which uses it to regulate the mixture of air and fuel that enters the cylinders. An engine will keep running even if an O2 sensor needs to be replaced, but it will burn more fuel than usual. In the long run, a bad O2 sensor can damage components like the spark plugs and the catalytic converter.

What are the symptoms of a bad accelerator pedal?

Symptoms of a Bad or Failing Throttle/Accelerator Pedal Position Sensor. Common signs of a faulty pedal position sensor include inconsistent engine response, reduced fuel efficiency, and the Check Engine Light coming on. The days of having to constantly adjust the throttle cable due to a loose nut on the carburetor are long gone.

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.

What’s the problem with my Silverado 4.3 V6?

2007 Silverado 4.3 V6 -39,000 miles…no engine or tranny mods. No exhaust. I do have a K&N air filter that I just cleaned. I don’t think I have that MAF sensor on my intake like the more expensive trucks do. My problem seems to be a lack of power, like it just doesn’t want to go (V6 jokes aside).

What does a flashing check engine light mean?

A flashing check engine light is your Chevy Silverado’s way of saying “I have a serious problem, don’t ignore me”. Most of the time, that serious problem is a misfire. This flashing light should not be ignored. When your engine is misfiring, it is dumping raw fuel into the exhaust.

What causes a Chevy Silverado engine to misfire?

Keeping in mind that any engine needs air, fuel, and spark for ignition, your Chevy Silverado’s fuel system can often cause the engine to misfire. It can run too lean or rich.

See all problems of the 2007 Chevrolet Silverado 2500 . Vehicle remains running but shows power reduction. Check engine light comes on and stays on. You have to pull over, shut it off, press the arrow button on the steering wheel for a few second and restart.

What is the code for Chevy engine light?

Thanks for contacting us with your Chevy engine light question. Code P1345 dertermines if the distributor is installed incorrectly, or if a mechanical malfunction is present in the engine.

What kind of vehicle has a check engine light?

This page will list all the Check Engine Light questions and answers asked of us pertaining to Chevy vehicles. Some Chevy vehicles include Silverado, Suburban, Cavalier, Trailblazer, Tracker, Tahoe, Cobalt, and more. 2003 Chevy Silverado 1500 P0327 – I accidentally sank the truck in a creek and now I have a P0327 code, what is the problem?

Is the Check Engine light on a 2004 Silverado Z71?

I checked the chiltons book and it says 05 and up have only filters on the sending units and they are not replaceable. Since yours is an 04 its possible your in the same boat too. My 03 has an inline filter in the frame in the area below the drivers seat. According to the chilton’s book yours should too.

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

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

What is the diagnostic code for a Chevy check engine light?

Remember, these are manufacturer specific codes only. Refer to our Generic OBD II code list for definitions on all other Chevy diagnostic trouble codes. Manufacturer Specific Codes P0342Camshaft Position Sensor A Bank 1 Low Input – Related Information P1031HO2S Heater Current Monitor Control Circuit Sensors 1

What does it mean when your engine light comes on?

A flashing light indicates that the problem is serious and if not taken care of immediately may result in damage to the vehicle. We’ve compiled a list of best practices for you if you Check Engine Light ever comes on:

Are there any problems with the Chevy Silverado 2500?

Chevrolet Silverado 2500 owners have reported 21 problems related to check engine light on (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 2500 based on all problems reported for the Silverado 2500.

When did my check engine light come on?

Check engine light came on throwing p203b code, which is the reductant level sensor code. This seems to have been an issue already in these vehicles dating back to 2011 when it started. I found a service bulletin #14652a regarding the replacement of such sensor but the dates on the vehicles only state 2011-2012.

Where to find diagnostic code for Buick check engine light?

1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on. 3. Follow scan tool manufacturer’s operating instructions to access the Diagnostic Trouble Codes (DTC’s).

When to change spark plugs on Chevy Silverado?

P0304 and P0351 are common DTCs associated with faulty spark plugs, but you will know if you need to change the spark plugs if you notice any of the accompanying signs, including rough idle, engine surging, lack of acceleration, and high fuel consumption. Figure 1. A fresh plug versus a worn out one.

Why is my Check Engine light not coming back on?

Diagnostic code comes up to say emissions leak and was told preferably to change gas cap, but when I did replace the cap, I unhooked the battery thinking it would reset and if the problem had been resolved then the check engine light would not come back on.

What to do if check engine light on due to gas?

I have an 03 Silverado with 265,000 with none of these issues. When this occurs I pullover, turn the engine off, take the gas cap off, wipe the cap down, wipe the edge of the fueling tube, replace cap, click 3 times and restart the truck. This usually works but sometimes I have to redo it and try again.

Why does my check engine light keep coming on?

Believe it or not, but sometimes the answer to your check engine light woes might be as simple as tightening the gas cap. A loose gas cap allows vapors to leak out of the fuel system, which can trigger an alarm in your truck’s on-board diagnostic computer and cause the check engine light to come on.

What’s the Check Engine light on a Duramax?

Started up fine. Only thing i noticed was that the oil pressure was pegged out at 120 and the battery was around 10 or 11 marker on the gauge. Ran and drove fine. Keep in mind the temp was around 18F this morning when i left for work. You will need a scanner to pull the codes.

What is glowplug fault on GMC Duramax Diesel?

P133F is #8 glowplug hot resistance fault. Did you determine if the Elevated Idle is enabled? Are you using remote start? If not, are you giving waiting for glowplug light to go out before turning key to ‘start’? Elevated idle was not activated….it is now though.

When did the Check Engine light go out?

So the check engine light went out on Sunday. Then on Monday i did a remote start using the fob (not the app) and for some reason it failed. When i got in the truck, waited for the plug light to go out, and started the truck, the check engine light was back on. Took it for a scan and the P133F code showed up 3 times.

What is the Check Engine Light code for a Chevy Tahoe?

2003 Chevy Tahoe 5.3L P0135 Engine Light Code – I have a 03 Tahoe with a P0135 code that won’t go away. Help! Question: I ran out of gas in my 1999 Silverado.

When does the Check Engine light go out?

In other words, it may require OEM scanner or a dealer scan tool to read the enhanced codes. The OBD II Check Engine light will remain on as long as a fault persists. If an intermittent fault does not reoccur after three consecutive trips, the Malfunction Indicator Light (MIL lamp) will go out but the code will remain in memory.

Can a service light be replaced on a Chevy Silverado?

Once you’ve identified it, you need to order a new sensor and either replace it yourself or have a mechanic do the job. The difficulty of replacing the sensor depends on how difficult it is to access the sensor. In some cases it will probably be better to leave it to a mechanic.

Why is my Check Engine light still on after filling up?

The cap is a crucial part of a car’s fuel delivery system. It notably prevents gasoline fumes from leaving the fuel tank, and it helps keep the whole system under the correct pressure. If your check engine light turns on immediately after a fill-up, pull over and make sure the cap isn’t loose — or still on your car’s roof.

Are there any problems with my Chevy Silverado?

Chevrolet Silverado 1500 owners have reported 59 problems related to check engine light on (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 can I tell if my Chevy silveraor is running lean?

The extra unburned oxygen in the exhaust is detected by the oxygen sensor as a lean condition, and the Engine Computer reacts by commanding more fuel from all the injectors on that side of the engine, even those that weren’t running lean. Your mechanic can find evidence of that with a scanner by viewing the long and short-term fuel trim numbers.

What kind of idle does a Chevy silveraor have?

Misfire – Rough Idle: Hi, I Have 2009 Chevy Silveraor with About Hi, I have 2009 Chevy Silveraor with about 88,000 kms. Purchased the truck in December and have been having rough idle conditions and what feels to be misfiring (on morning start up, sitting at lights I can feel it, and during the daytime if it has sat for a couple hours).

What kind of engine does a 99 Silverado have?

I have a 99 silverado, 5.3 liter 4×4 137k miles. Runs great when engine is cold. After about 10-15 minutes of driving when engine warms up, engine bogs down, idles rough, and dies when throttle is applied. I ran the codes, had low voltage x4 oxygen sensors, and random misfires. I replaced the 02 sensors because I am well over 100k miles.

Why is my Chevy Silverado running rough at idle?

Really, your Silverado will be running rougher at any RPM, but a misfire will be most pronounced at idle. Spark Plug Wires – While not every model and engine combination of vehicles today comes with spark plug wires (a lot are now coil on plug), if your Silverado happens to have them, they can go bad and cause a rough idle.

Why is there a brake warning light on my Chevy Silverado?

The brake warning light indicates that your Silverado has detected that one of its major brake components has failed, typically detected through a loss of pressure. You’ll feel a loss of pressure that manifests itself in the form of a “mushy” brake pedal.

What are the trouble codes on a Chevy truck?

Watch the “check engine” light. It will start flashing. Chevy trouble codes are two digits. The first digit will be represented by a long flash. Secondary digits will be relayed through quicker flashes. For example, trouble code 16 will be relayed with one long flash and six short ones. Write the codes down as the “check engine” light sends them.

How to self test the Check Engine light for a c1500 Chevy?

Place the C1500 into self testing mode. To do this, insert the C1500’s key into the ignition and switch to the “On” position. Leave the C1500’s engine off and uncranked. Count how many times the C1500’s check engine light flashes and observe how long the flashes last. Each flash code is different.

What kind of car has a check engine light?

Tl-the contact owns a 2002 Chevrolet Silverado 2500. The contact stated that while driving at 65 mph, the engine stalled without warning. The check engine light illuminated. The vehicle restarted after numerous attempts.

Why is my Check Engine light not working?

The contact stated that while driving at 65 mph, the engine stalled without warning. The check engine light illuminated. The vehicle restarted after numerous attempts. The vehicle was not taken to a dealer or an independent mechanic to be diagnosed or repaired. The manufacturer was made aware of the failure.

Are there any problems with the Chevy Silverado?

Check out our Chevrolet Silverado overview to see the most problematic years, worst problems and most recently reported complaints with the Silverado.

How much does a Chevy Silverado engine hesitate?

Chevrolet Silverado 1500 Engine hesitates during acceleration Inspection costs $85 on average. Real customer reviews from Chevrolet owners like you. Great experience. Oscar was very detail oriented with the service. Very Friendly and Knowledgable. David did a great job.

What is the oxygen sensor code for a Chevy?

P1137HO2S Bank 1 Sensor 2 Lean Or Low Voltage – Read Our Article On Oxygen Sensor CodesFor Help With This Chevy Trouble Code P1138HO2S Bank 1 Sensor 2 Rich Or High Voltage – Read Our Article On Oxygen Sensor CodesFor Help With This Chevy Check Engine Light Code

What to do if your Chevy engine light is blinking?

The easiest course of action is to bring your car over to the Service Department at Larry H Miller Chevrolet for one of our certified technicians to investigate the diagnostic code and isolate the cause.

Where can I find the Check Engine Light code?

Look up your code definition. This tells you where to start testing. If you are unsure of any abbreviations, check out the acronym list by clicking on the link at the left. Next, read our article Automotive Circuit Testing, and if there is an article related to the system you are testing, such as Oxygen Sensors or EGR concerns, read these as well.

Why is my Chevy Silverado engine not working?

While driving my 2009 Silverado at 33,000 miles I noticed the check engine light went on and it was running rough. After taking to the dealership it was determined the #7 cylinder was not working. According to the mechanic the afm for the 5.3 liter engines has an oil consumption issue.

Are there any problems with the 2009 Chevy Silverado?

CarComplaints.com Notes: The 2009 Silverado has no defect trends, which is a very good sign now that it’s more than a few years old. Read more » A couple model years back, the 2007 Silverado has an oil consumption defect at low mileage (~50k miles) — so far there’s only a very few reports of the same problem with the 2009 Silverado.

What does it mean when the service engine soon light illuminates?

What Does It Mean When the Service Engine Soon Light Illuminates on a 2000 Chevy Silverado? The service engine soon light, commonly referred to as the check engine light, on a 2000 Chevy Silverado, or any vehicle, can have a number of meanings depending on the issue.

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.

How to clear service engine soon light 1990 to 2002 Chevy?

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How do you reset the Check Engine light on a Chevy Silverado?

Resetting the Check Engine Oil Light with CID. On newer Silverado 1500s, you can reset the check engine oil light using the buttons on your steering wheel. Turn the ignition on without starting the truck. Use the up, down, left and right arrow buttons to navigate the menus on the display on your instrument cluster.

Why is the Check Engine light on Chevy?

When your Chevrolet check engine light stays on, it means that the On-Board Diagnostic (OBD) system has detected a problem with the engine, emission system, or transmission. A fault code is stored in the Engine Control Unit (ECU). Chevy check engine light should only be on for a few seconds when you turn on the ignition and should turn off once the engine fully starts.

What type of gas does Chevy Silverado take?

The truck was designed to use 87 octane (regular) fuel. Using a quality brand of fuel is more important than using higher octane. Branded fuel like Shell, Chevron , and Texaco are top-tier fuels with all the right additives to keep the fuel system working properly and avoid carbon deposits inside the engine.

Why is the Check Engine light not coming on?

If the check engine light is not coming on, then that is a good sign. If your dashboard before displayed the check engine light before and now it is not coming on, then the dashboard warning light could have burned out.

Is the starter interrupt warning light on or off?

Depending on the current status of the system, the warning light will be off, on steady, or flashing. Although they may share the same dash-mounted warning light, these “starter interrupt” anti-theft systems work separately from and independently of the “content theft” systems available from factory and aftermarket suppliers.

What is the malfunction indicator light on a Duramax?

Malfunction Indicator Lamp (Check Engine Light) This light is part of the vehicle’s emission control on-board diagnostic system. If this light is on while the engine is running, a malfunction has been detected and the vehicle may require service.

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 engine is in a Chevy Silverado?

The Vortec 4.8L V8 L20 belongs to the category of the V8 engine. It is a 250k engine for your full-size Chevy truck and Chevy Silverado truck. The Silverado based engine has a horsepower of over 195 and the Vortec can create up to 295 horsepower plus over 300-pound torque.

What to do if your check engine light is not working?

Try removing a sensor harness and see if the light comes on. If it does, then the system is working. If it does not, then check the computer for codes for the sensor you unplugged. If there is a code, and the MIL indicator says ON, then the light is burned out.

Where do I find the Check Engine Light code?

Then, press the “read” button on the scanner to access the check engine light code. The code will be a series of letters and numbers. Record all of the codes so you can figure out what they represent and make the necessary repairs to your vehicle.

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.

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.

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.

What are the warning lights on a Chevrolet?

The following are warning lights and indicators found in vehicles built by Chevrolet. Click a link to learn more about each one. They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue, gray). There are nearly 50 of them so search carefully!

How big are the lights on a Chevy Silverado?

You truck will really stand out with these aftermarket headlights that inject some serious styling, while also helping you to see further and more clearly in all kinds of conditions. If what you really need is better lighting options for the trail, we can help with something like the Lifetime LED 20 in. 20 LED light bar.

What kind of brake light does a Chevy Silverado use?

It provides some additional styling to give your Chevrolet Silverado some personality, while also helping you replace a damaged cover. If your truck has a stealthier appearance, the Putco Smoked LED Third brake light could be the right solution to your customization needs.

What causes the Check Engine light to come on on a Chevy Silverado?

The check engine light on your 2020 Chevy Silverado will usually shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it’s tightened, the light will turn itself off.

What does it mean when your check engine light is flashing?

A steady glow typically means something less serious but a flashing check engine light indicates that your vehicle’s engine is in serious trouble and service is needed immediately. If your check engine light is flashing in your 2020 Chevy Silverado, we highly recommend not to drive the vehicle and schedule Chevy service today.

Why is my gas cap missing on my 2017 Chevy Silverado?

One of the most traditional and bountiful cause is that your 2017 Chevy Silverado gas cap is loose, damaged or missing. The gas cap for your 2017 Chevy Silverado serves multiple purposes.

How to reset service light on Chevy Silverado?

Use a code reader to identify the source of the error. Usually it will be one particular sensor giving the same error. Once you’ve identified it, you need to order a new sensor and either replace it yourself or have a mechanic do the job. The difficulty of replacing the sensor depends on how difficult it is to access the sensor.

How much does a Chevy Silverado check engine light cost?

Learn More The average cost for a Chevrolet Silverado 2500 HD Check Engine Light Diagnosis & Testing is between $88 -$111. Learn More

Why is my Chevy Silverado 2500 HD not working?

The throttle position sensor (TPS) on the Chevrolet Silverado 2500 HD 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.

What to do if your check engine light is not flashing?

If the light is not flashing, check the gas cap. Oftentimes if the gas cap wasn’t tightened enough, the check engine light will display. If tightening the gas cap does not make the light go away, take the vehicle in to have the diagnostic codes looked up.

What’s the problem with my Chevy Silverado 1500?

The contact owns a 2010 Chevrolet Silverado 1500. The contact stated that engine pressure sensor slave switch failed three times. A dealer was not contacted. The failure recurred two additional times with the check engine warning light illuminated.

Why is my check engine warning light on?

Tl the contact owns a 2007 Chevrolet Silverado 1500. The contact stated that while the vehicle was idling in park, the vehicle loss motive power with the check engine warning light illuminated. Additionally, the dashboard was severely cracked.

What is the Chevy Silverado 5.3 misfire code?

We are working on a 2008 Chevy Silverado 5.3. I am getting a p0300 random misfire code and also a c0561-71, which I Chevrolet Silverado: We are working on a 2008 Chevy Silverado… Sorry to hear about your situation.

When did the Chevy 5.3 liter V8 come out?

The initial run of the Chevy 5.3-liter V8 comes in the third generation of Chevy’s small-block V8 engine. For marketing purposes, this engine is known as the Vortec 5300. As we mentioned before, it first became available in 1999.

Why does my check engine light not come on?

Just because the check engine light isnt on doesnt mean that there isnt anything wrong. I have had coil packs go bad without a check engine like coming on. It sounds like you probably have an issue with your ignition for sure. My friend had your exact same problem with his F-150 and it ended up being 1 coil pack. Hope that helps you out.

What should you look out for in a 5.3 liter Chevy?

Chevy’s 5.3-liter V8 is known for its long-term lifespan and trustworthiness, but no engine is without problems. What should you look out for? Ask any owner of a Chevy 5.3-liter V8-powered vehicle about its dependability, and they’ll likely tell you about how they’ve never had any major issues with it.

Why is the engine light on on my 2003 Chevy Silverado?

I have a 2003 Chevy Silverado with a 6.0 engine and automatic transmission and the engine light came on. I put a scanner on it came up with the code po332B Knock Sensor 2 circuit low frequency. I need to know where the sensors are so I can change them out or check any wiring problems.

What to do if your Silverado is ignoring the Check Engine light?

If you don’t already have a trouble code scanner, swing by an auto parts store and pick one up or have them run a diagnostic using their own scanning tool. Even if your Silverado is running like usual, ignoring the check engine light can result in costly repairs down the line.

Is there a problem with my 2003 Chevy Silverado?

No one has added a helpful site for this 2003 Silverado 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 kind of engine light is on a Silverado?

Engine Light Is On: 2007-2013 Chevrolet Silverado 1500 – What to Do – 2008 Chevrolet Silverado 1500 LT 5.3L V8 Extended Cab Pickup (4 Door) This free video provides the steps to diagnose and clear a check engine light on a 2008 Chevrolet Silverado 1500 LT 5.3L V8 Extended Cab Pickup (4 Door).

When does the service engine soon light come on?

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 your check engine light is blinking?

If the check engine light is blinking, this means that there is a perilous issue and it is recommended to service your Chevy Silverado swiftly. Call the experts at Hare Chevrolet by dialing 3173336958 so you can describe the issues. Or reduce your speed and bring your 2017 Chevy to our certified mechanics as soon as available.

What does the reduced engine power warning mean?

Asking what engaged reduced engine power warning message is somewhat like asking what turned on your check engine light —there are too many possibilities to list. Plus, GM has changed its fail-safe strategies over the years, so exactly what can engage the message depends on the year and model of your vehicle.

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.

When does the Check Engine light come on on a Duramax?

I have a 2015 Duramax Diesel 2500 LTZ pickup with about 152,000 miles. The check Engine Light came on the first week of June 2020. I … read more I have a customer who brought in a 2017 chevy 2500 with a Duramax. He said another shop told him he needed to replace the EGR cooler … read more

When does the service engine light go off on a Chevy Silverado?

The system has a sensor attached to the fuel cap and will trigger the service engine light whenever the fuel cap isn’t closed tightly. Check if the fuel cap is closed all the way. The light should go off after the truck has been driven for awhile.

What to do if your Chevy Silverado is running poorly?

Check the fuel cap. Sometimes poor quality fuel will also trigger the emissions system if it causes the engine to run poorly. If this occurs, try changing to a higher quality fuel or switching to a different brand. You’ll need to have a full engine and may have to drive around a bit before the light turns off. Have the key out of the ignition.

Why is my Chevy Silverado 3500 HD not working?

The throttle position sensor (TPS) on the Chevrolet Silverado 3500 HD 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 diesel truck have a check engine light?

One of the most common reasons for seeing the check engine light on a diesel truck is the aftertreatment system. Diesel trucks have nitrogen oxide (NOx) sensors that measure what your car is putting out into the environment.

Where is the gas cap on my car?

Turn off your vehicle’s engine. Push button to unlock the gas cap door, if your vehicle is equipped with a locking gas cap door. This is usually located on the floorboard next to the driver side seat, or beneath the steering column. Step to the gas cap door. Open the door. Grasp the gas cap handle and twist it counterclockwise to unscrew it.

How to replace the gas cap on a warning light?

Why is my Check Engine light on in my Bugatti Chiron?

The monstrous Bugatti Chiron has 16. No matter how many you have though, a malfunctioning coil will almost certainly trigger the check engine light, but remember, if your car burns diesel, you have neither ignition coils nor spark plugs.

How to replace the gas cap on a check engine light?

Install/Replace The Gas Cap Properly 1 Fully install the cap into the filler tube. 2 Make sure the threads sit and seal properly. 3 Turn the gas cap clockwise to tighten it. 4 Continue to do so until you hear the cap clicking three times. More

What makes the engine light go out on a Chevy Silverado?

The fuel lines run through this area. Suspecting leaking steel line, but could not find it with engine running. There is no smell, so I suspicion the fuel is evaporating and just softening the tar. Have replaced purge valve and gas cap but can’t get engine light to go out.

How to reset the warning light gas cap that is loose?

Open the door. Grasp the gas cap handle and twist it counterclockwise to unscrew it. Remove it. Replace the gas cap. Removing and replacing it ensures the thread seals properly, in case it wasn’t before. Turn the gas cap clockwise to tighten it. Continue turning until you hear it click three times. This ensures it’s seating properly.

What’s the code on the Check Engine light?

No check engine light on and no error codes noted. Check engine light came on throwing p203b code, which is the reductant level sensor code. This seems to have been an issue already in these vehicles dating back to 2011 when it started.

What does check engine light mean on catalytic converter?

The check engine light will come on if it’s below this threshold, determined by oxygen sensors that are located before and after the catalytic converter. The sensors will trigger an Onboard Diagnostics (OBD) trouble code that’s stored in your car’s computer. OBD Code P0420 means the catalyst system efficiency is below the threshold.

The Check Engine light will also come on if your mass airflow sensor fails This can happen if your air filter has not been replaced on a regular basis. If this is the problem and you continue to run your vehicle with the Check Engine light on and the airflow sensor is failing, you’ll be creating more problems.

Can a check engine light get clogged up?

The EGR valve can get clogged up or fail entirely. If you’re even slightly mechanically inclined, you can remove the valve, clean it up, and reinstall it in a relatively short amount of time. If the valve needs to be replaced, expect to pay at least $125 for a brand-new, OEM-quality unit.

What does a check engine light mean on a Chevy Silverado?

A check engine light can indicate a broad spectrum of problems with your 2004 Chevrolet Silverado 1500. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light.

What causes a check engine light to illuminate?

A loose or worn gas cap may cause check engine light to illuminate. The average cost for a Chevrolet Silverado 1500 General Diagnosis is between $88 -$111. Learn More

What should I do if my engine light is on?

Engine Light Is On: 1999-2007 Chevrolet Silverado 1500 – What to Do – 2004 Chevrolet Silverado 1500 LS 5.3L V8 FlexFuel Extended Cab Pickup (4 Door) This free video provides the steps to diagnose and clear a check engine light on a 2004 Chevrolet Silverado 1500 LS 5.3L V8 FlexFuel Extended Cab Pickup (4 Door).

How do you turn off the brake light on a Chevy Silverado?

The only way to turn the brake light off is to restore proper line pressure to both brake circuits when the pedal is pushed. If your Silverado is having trouble stopping, or noticeably leaking fluid, don’t drive it. Just have it towed to a mechanic.

Who is the owner of the 2008 Chevy Silverado?

2008 Chevrolet Silverado Owner ManualM GENERAL MOTORS, GM, the GM Emblem, CHEVROLET, the CHEVROLET Emblem, and the names SILVERADO and Z71 are registered trademarks of General Motors Corporation. This manual includes the latest information at the time it was printed. GM reserves the right to make changes after that time without further notice.

What kind of brake lights do Chevy Silverado have?

The aftermarket makers bring the same high-illumination light emitting diode technology to third brake lights for your Silverado, creating lights that people can’t help but notice. You can also find chrome-plated ABS covers for these brake lights, made for a snug precision fit. Your Silverado Year?

What kind of tail light does a Chevy Silverado have?

Today’s aftermarket manufacturers give you several different “looks” to choose from, including the traditional red taillight lens, as well as clear lenses and sinisterly smoked lenses for an excitingly new appearance.

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. I took my 19’ AT4 in for repair 2 days after I bought it because the check engine light came on with 150 miles on it.

What should I do if my check engine light turns on?

If your check engine light turns on rapidly after you put gas in your 2017 Chevy Silverado, first thing you should check is to make positive the cap isn’t loose — or that it’s still on your car’s roof or at the fuel pump. New Spark Plugs or Plug Wires are essential for your 2017 Chevy Silverado.

What is the DTC code on a Chevy Silverado?

If you hear the term, diagnostic trouble codes (DTC), these are just another name for check engine light codes. These are automotive computer codes stored by the ECM, also known as the OBD (on-board computer diagnostic system) in your Silverado.

When to look for a replacement Chevy Silverado engine?

When your engine starts steaming or knocking, you know you have a problem that needs fixing. AutoZone has what you need when looking for quality Silverado replacement engines. The reliability of your Silverado depends on the condition of its engine, and making sure you get the right parts and tools for the job is top priority.

What’s the misfire code on a 1998 Vortec?

Can someone please help with what I should check next, I have a 1998 Chevy K1500 5.7 Vortec with a misfire, P0300 code for 3 months. runs a little rough, while driving under normal conditions it sputters, hesitates, and also will backfire, under heavy acceleration no noticeable skip, no sputters, and does not hesitate or backfire.

What does it mean when check engine light flashes?

If the light is steady, it typically indicates a minor problem, such as a loose gas cap or a failing oxygen sensor. However, if the light flashes, it indicates a severe problem that could potentially damage the catalytic converter. If the check engine light is on, the engine control unit stores a fault code related to the malfunction.

What to do if your check engine light is blinking?

If the light is flashing, take your vehicle in IMMEDIATELY to be diagnosed and inspected–a flashing light indicates a serious problem with one of your vehicle’s components. If the light is not flashing, check the gas cap. Oftentimes if the gas cap wasn’t tightened enough, the check engine light will display.

Can a car run with a check engine light on?

A car can continue running without issue for a long time even if the check engine light is on; although, this is not to say the light cannot occasionally indicate serious trouble. Often, a check engine light may turn off immediately after repairs but come back on shortly thereafter.

How does a Chevy Silverado check engine light work?

When the light turns on, the ECM stores an engine code or “trouble code” in its memory that identifies as the issue, whether it’s a sensor or a failing engine part. This code is read with an electronic scan tool that is used by our Chevy auto repair mechanics at Hare Chevrolet.

What to do when your check engine light comes on?

When your check engine light comes on, you should get it checked out abruptly by a certified Chevy mechanic. What do you do when you’re driving along in your Chevy Silverado and suddenly, a yellow light illuminates on your dash and says “Check Engine”.

How to remove the O2 sensor from a Chevy Silverado?

Pull the wire harness free and disconnect it. Using a flat head screwdriver, pry out the metal clip securing the wire harness that’s directly connected to the O2 sensor. Use the 7/8″ Crescent wrench to remove the O2 sensor. You may need a breaker bar for extra leverage. Figure 8. B1/S1 O2 sensor location. Figure 9. B2/S1 O2 sensor location.

What’s the oil pressure on my GMC Sierra?

I have a 2012 GMC Sierra with only 20k miles on it… this morning “Low Oil Pressure, Stop Engine” came on. I pulled over and restarted with no further issues. On the way home the check engine light came on. It says Oil Life is at 18% and when car is turned off the oil pressure is 3 PSI (is that normal?!).

What should I do if my check engine light is still coming on?

Put the keys in your ignition and turn your ignition on and off consecutively after a second in each step. Once it is done, see if the engine check light is still coming on or not. If the check light is off, you are ready to go, but if it is still coming on, get ready by reading the codes with a scanner instead. Let it Go Off Itself

What causes a check engine light on a GMC Sierra 1500?

The most common cause is a faulty TPS. The average cost for a GMC Sierra 1500 Check Engine Light Diagnosis & Testing is between $88 -$111. Learn More

What are the codes for GMC check engine lights?

P1245Intake Plenum Switchover Valve P1250Early Fuel Evaporation Heater Circuit P1257Supercharger System Overboost P1258Engine Coolant Overtemperature – Protection Mode Active P1260Last Test Failed SCC Or Theft Detected, Vehicle Immobilized

When does the Check Engine light come on?

Whenever the vehicle detects that something may be wrong–whether it’s an emissions-related problem, cooling system issue, engine problem or something as simple as a loose gas cap, in some cases–the Check Engine light will appear.