Chevrolet Car and Truck | GMC Repair Questions

Chevrolet Cars and Trucks. Here is a list of auto repair questions and answers. Click on your model to read the articles.

Subcategories

Latest Articles

Chevrolet Blazer Lost Power ...

2000 blazer 4x4 lost power to drivetrain going down the ...

Dodge Durango Timing Chain ...

My 03 Dodge Durango 4.7L engine was blowing white smoke ...

2002 Chevy Blazer Keeps ...

My 2002 blazer keeps dying on me when I am driving, and ...

1996 Lumina Dies Looses ...

1996 Chevy Lumina 3.1 L. I have good fuel pressure,spark ...

Silverado Won't Start Cold

My 1992 Silverado 6 cylinder turns over but will not run if ...

How Things Work

Does My Car Need A Front End Alignment?

Why should you get a front end alignment? Improper front end alignment is a major cause of premature tire wear. Over years of driving, a properly aligned vehicle can add thousands of miles to the life of your tires. Most tires are replaced because of premature wear caused by the front end being out of alignment. When the front end is line properly, this makes it easier for the car to roll. Read more...

Common Engine Codes

Throttle Position Sensor Code P0121, P0122 and P0123

The throttle position (TP) sensor is used by the powertrain control module (PCM) to determine the throttle plate angle for various engine management systems. The TP sensor is a potentiometer type sensor with three circuits: a 5-volt reference, a low reference, and a signal. The PCM provides the TP sensor with a 5-volt reference circuit and a low reference circuit.

Read more...