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

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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.

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 kind of engine light does a Chevy Tahoe have?

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? 2003 Chevy Tahoe 5.3L P0135 Engine Light Code – I have a 03 Tahoe with a P0135 code that won’t go away. Help!

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.

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.

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

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.

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…

Where do I find the trouble code on my Chevy?

These are listed in numerical order for easy searching. When retrieving Chevy trouble codes with an OBD II scan tool, proceed as follows: 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.

What kind of engine light does a Chevy Silverado have?

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). The video also provides steps on how to read the 2004 Chevrolet Silverado 1500 LS 5.3L V8 FlexFuel Extended Cab Pickup (4 Door) trouble code About Us Maintenance Parts & Tools Contact

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.

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 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.

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 causes check engine light on Chevy 6.0?

A check engine light due to low oil pressure is a common complaint in GM ( General Motors) vehicles years 2007-2016 that have V8 engines. It is also known as DOD (displacement on demand). The symptoms occur with no engine-related noises during a low oil pressure condition. Some technicians say to replace the oil pressure sensor.

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 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.

A check engine light due to low oil pressure is a common complaint in GM ( General Motors) vehicles years 2007-2016 that have V8 engines. It is also known as DOD (displacement on demand). The symptoms occur with no engine-related noises during a low oil pressure condition. Some technicians say to replace the oil pressure sensor.

Why does my Chevy Silverado have a low oil pressure light?

If your Silverado’s sensor has gone bad, it’ll shoot a false low pressure reading to the ECM. One of the first things that people do when they have the low oil pressure light is to change out this sensor to see if that rectifies the problem. Here’s a good article on how to check the oil pressure sensor from itstillruns.

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.

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.

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.

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.

What is the diagnostic code for a Chevy Duramax?

Below are common check engine light trouble codes for the Chevy/GM Duramax diesel. This list has been updated to includes Chevy/GM Duramax diagnostic trouble codes. At Thoroughbred Diesel we are a real diesel performance and repair shop that offers free advice. Call us at 1-866-737-4966 with any questions you may have about your diesel.

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’s the glowplug code on my Duramax Diesel?

Had them pull the codes and they got 3 codes. P133F came up 3 times and then there was also a P0894. Any details you can share on those codes? P133F is #8 glowplug hot resistance fault. Did you determine if the Elevated Idle is enabled? Are you using remote start?

What kind of car is a 2003 Chevy Silverado?

Trans Description Cont. Again NA Looking for other models of the Chevrolet Silverado 2500HD?

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 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 is a wiring diagram for a Chevy Silverado?

2003 Chevy Silverado 2500hd Wiring Diagram – wiring diagram is a simplified normal pictorial representation of an electrical circuit. It shows the components of the circuit as simplified shapes, and the capability and signal contacts amongst the devices.

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…

Where can I buy a Chevy Silverado tail light assembly?

Buy 2003 Chevrolet Silverado 1500 Tail Light Assembly from AutoZone. 10% OFF $75. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only

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.

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.

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 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.

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.

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.

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.

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).

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 your check engine light is flashing?

Flashing Check Engine Light: If your check engine light is flashing, stop driving your Silverado 1500 and have it towed to your nearest mechanic – you probably have a very serious problem with your car and you risk ruining your engine by driving it.

What’s the name of the 5.3 liter Chevy engine?

Generation-five Ecotec3 5.3 Problems The Vortec 5300 namesake was finally replaced with the fifth-gen smallblock family, starting with model year 2014 trucks and SUVs. The 5.3 engine is now known as the Ectotec3 5.3-liter V8. The major difference between these engines and the Vortec 5300 engines is the fuel injection system.

What are the specs of a 2003 Chevy Silverado?

Used 2003 Chevrolet Silverado 1500 LT Features & Specs. REAR SHOULDER ROOM 66.3 in. FUEL TANK CAPACITY 26 gal. RANGE IN MILES (CTY/HWY) 338/442 mi. BASE ENGINE SIZE 5.3 L TURNING CIRCLE 46.6 ft. BASIC 3 yr./ 36000 mi. DRIVETRAIN 3 yr./ 36000 mi. ROADSIDE 3 yr./ 36000 mi. RUST 6 yr./ 100000 mi.

What’s the difference between a 5.3 liter V8 and a Vortec?

The 5.3 engine is now known as the Ectotec3 5.3-liter V8. The major difference between these engines and the Vortec 5300 engines is the fuel injection system. While Vortec engines use port injection at the intake manifold, Ecotec3 engines are directly injected.

Generation-five Ecotec3 5.3 Problems The Vortec 5300 namesake was finally replaced with the fifth-gen smallblock family, starting with model year 2014 trucks and SUVs. The 5.3 engine is now known as the Ectotec3 5.3-liter V8. The major difference between these engines and the Vortec 5300 engines is the fuel injection system.

What kind of engine does a Chevy Silverado have?

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. You’ll find this engine in the Chevy Silverado and Avalanche as well as the GMC Sierra.

The 5.3 engine is now known as the Ectotec3 5.3-liter V8. The major difference between these engines and the Vortec 5300 engines is the fuel injection system. While Vortec engines use port injection at the intake manifold, Ecotec3 engines are directly injected.

What is the Chevy check engine light code?

Answer: Hi Onnie. Your code is a P0332 Knock Sensor 2 Circuit Low Input (Bank 2). With a code like a P0332 you’re likely to find the problem lies with the knock sensor on bank 2 (that’s the side of the engine that doesn’t have cylinder #1), or with the associated wiring & connections.

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

Start by inspecting the wiring and connectors, repair as required. If everything is fine, check the sensor using a DVOM (digital volt ohm meter). Replace if necessary. You can find the proper resistance values using a repair manual or comparing the sensor reading on bank 2 to that of bank 1. Good luck with your knock sensor issue!

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 should I do if my check engine light comes on?

Keep in mind that the fault code that caused the light to turn on in the first place is stored in your car’s onboard computer, and you can retrieve it using a simple Bluetooth-powered device linked to an app to get a precise idea of what exactly is wrong under the hood. Doing this on your own will save you money.

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.

Is it okay to drive with a flashing check engine light?

It’s never recommended to drive with a flashing check engine light. A constant check engine light can be okay to drive with sometimes, but a flashing engine light is most likely a more serious problem that has to be fixed as soon as possible.

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.

Can a bad check engine light be a bad TPS?

The check engine light will randomly turn on and off even if the car is running smoothly without any jerks and stalling. This is often the first ever symptom of a bad TPS. Using a code reader, you should be able to confirm whether a faulty TPS is the culprit or a different component.

When does the Check Engine light come on?

The check engine light comes on: The TCM continuously monitors shift solenoid operation. If it detects a problem with one of the solenoids or the related circuits, it will send a request to the engine’s computer to turn on the check engine light.

Are there any problems with the Chevy 4.3 Vortec engine?

The 4.3 Vortec engines made from 1996-2002 (L35 and LF6) have been reported to have engine knock problems. In a properly functioning engine, fuel burns in even pockets instead of all at once. The pockets burn in even timing, in sync with engine cycles. Engine knock occurs when the fuel burns unevenly and out of sync with the engine cycles.

How does the EVAP system work on a Chevy Silverado?

The EVAP system captures all fuel vapor from the fuel tank and sends them to the engines intake in order to be ignited in the normal combustion process. When there is a large leak in the Chevy Silverado’s EVAP system, it will throw the P0455 OBDII Code.

What does the OBDII code for Chevy Silverado mean?

See Chevy Silverado P0442 OBDII Code for more. P0455 is a universal OBDII trouble code. This means that regardless of which make or model of vehicle, the code will mean the same thing (Silverado or not). The code technically stands for:

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 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.

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.

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.

Where can I get a catalytic converter for my Chevy Silverado?

If you have already found the issue, find the right catalytic converters for your Chevy Silverado 1500 at one of our stores near you or browse through our extensive inventory of parts online and get your truck back on the road.

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.

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Ruth Doyle