The Chevy 8.1-L V8 engine has a problem with carbon building up in the throttle body. This carbon problem makes the throttle body valve stick in place. This allows too much air into the engine cylinders, causing the engine to misfire.
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How to troubleshoot Chevy Silverado ABS problems?
Troubleshooting ABS Problems
- Connect The OBD2 Scanner Plug To The Port. In front of the driver’s seat down the dashboard, you will find the OBD port. ...
- Select The ABS Scan Option. The options may vary according to your scanner. ...
- Determine The Problem. According to the data the scanner displays, you will be able to determine the problem. ...
Why wont a Chevy Silverado start?
- Turn OFF the ignition.
- Disconnect the power train control module (PCM) harness connector.
- Connect a test lamp between the Crank Voltage circuit of the PCM harness and a good ground.
- With the transmission in park, or clutch pedal pressed, turn the ignition switch to the START position.
Does Chevy still make Silverados?
The humble bench seat pickup is a dying species outside of fleets—but according to a new report, GM is considering bringing back higher-end versions of the two-door, single-cab 2020 Chevrolet Silverado due to buyer interest.
How do you troubleshoot throttle body?
How to Clean Throttle Body without Removing It Step By Step Guide
- For safety, disconnect the vehicle’s battery’s negative terminal to avoid any short circuits.
- Locate the big air duct that connects the throttle body to the air cleaner. It is usually locked with a metal clamp.
- Remove air ducts and hoses that will enable you to see the movable plate inside the throttle body. ...
How do you reset the throttle body on a 2008 Chevy Silverado?
0:322:05GM Truck Electronic Throttle Body (ETB) Relearn Procedure - YouTubeYouTubeStart of suggested clipEnd of suggested clipNext turn the ignition off for 60 seconds. Then start and idle the engine in Park for 3 minutesMoreNext turn the ignition off for 60 seconds. Then start and idle the engine in Park for 3 minutes again after the 3 minute runtime the engine should be idling normally.
What's the signs of a dirty throttle body?
When the throttle body gets dirty, it has a direct effect on how smoothly the engine operates. Signs indicating a problem include rough idling, jumpy or sluggish acceleration, poor fuel economy, and stalling. With the use of a throttle body cleaning product, the dirt and debris buildup are easily removed.
What are common problems with 2008 Chevy Silverado?
Top 2008 Chevrolet Silverado 1500 Problems4WD Transfer Case Position Sensor/Selector Switch May Fail. ... Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail. ... Fuel Level Sensor Failure. ... Speedometer or Other Instrument Panel Gauge May Work Erratically.More items...
How do you reset the throttle position sensor on a Chevy?
The easiest way to reset your throttle position sensor is to unhook the negative cable from your battery for up to five minutes or to remove the fuse for your engine control module.
What happens when throttle body fails?
When a throttle body is not functioning correctly, you'll usually notice a distinctly poor or very low idle. If the problem is really severe, you might even begin stalling when coming to a stop or when the throttle is quickly pressed.
Does cleaning throttle body make a difference?
Cleaning the throttle body makes a difference in car performance and drivability. It is a solution to anyone experiencing rough running of the engine, unstable running of the vehicle, and decreased vehicle performance when still brand new.
What are the bad years for Chevy Silverado?
From 2012 to 2019, each Silverado year model was littered with issues. The 2012 and 2013 year models have a few dozen reported problems, mainly about faulty engines and transmissions. 2014 Silverados have the highest number of complaints by far, with a significant portion of them relating to A/C and heating defects.
Is 2008 a good year for Silverado?
Edmunds says Powerful, comfortable and offered in a wide array of body styles and configurations, the 2008 Chevrolet Silverado 1500 is a prime choice for a full-size pickup.
How many miles can a 2008 Silverado last?
With regular maintenance and conscientious use, a good model year of the Chevrolet Silverado can last between 200,000 to 300,000 miles or more. That means you can easily get 10 to 20 years of reliable service from a Silverado truck with proper maintenance.
How do I relearn my throttle body?
1:112:42Throttle Body Relearn: When Should I Reprogram My Car's ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou might have to let it run for three minutes and then shut the vehicle off. And then run it againMoreYou might have to let it run for three minutes and then shut the vehicle off. And then run it again for three minutes. It depends on the type of vehicle.
Do you have to reset computer after replacing throttle position sensor?
After replacing the throttle body to your engine, if the engine light was on and has a pending code, the code will go away. If the code was a hard permanent code, then the ECM (computer) would need a hard reset.
Is there a fuse for electronic throttle control?
The power provided to the electronic throttle actuator is regulated by the actuator relay in the underhood fuse panel. It acts as a switch, sending power to the throttle actuator when it is required.
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