GM 4.3L, 5.0L, 5.7L Index of Articles

How to Test a Misfire / No Spark-No Start Condition (4.3L, 5.0L, 5.7L 96-04)

How to Test a Misfire / No Spark-No Start Condition (4.3L, 5.0L, 5.7L 96-04)

This article will help you to find the cause of a misfire or No Spark- No Start Condition on your GM car, pick up, mini-van, van or SUV equipped with a 4.3L, or 5.0L, or 5.7L engine. The testing is explained step by step, making the whole...   read more >>

How to Test the Throttle Position Sensor (GM 4.3L, 5.0L, 5.7L)

How to Test the Throttle Position Sensor (GM 4.3L, 5.0L, 5.7L)

In three simple test steps, you can find out if the TPS sensor on your GM car or pick up or SUV or Van is BAD. You don't need a scan tool, since all three of the tests explained in this article are done with a simple multimeter. Every test has step...   read more >>

How to Clean the GM Mass Air Flow (MAF) Sensor

How to Clean the GM Mass Air Flow (MAF) Sensor

This MAF sensor is used in all of the different GM Makes: Buick, Chevrolet, Oldsmobile, Pontiac, and of course GMC (you'll find a complete list of models below). Since this is an OFF-CAR cleaning, the MAF sensor has to be removed from the car or...   read more >>

How to Test the GM Distributor Mounted Ignition Module

How to Test the GM Distributor Mounted Ignition Module

The GM distributor mounted ignition control module (ICM), can be tested on the car or truck easily. Not only that, you don't need any expensive tools to do it. Now, AutoZone can test it for you (if you remove it and take it to them), but for those...   read more >>

How to Test the GM Ignition Control Module (1995-2005)

How to Test the GM Ignition Control Module (1995-2005)

This is one of the easiest GM ignition control modules to test. This article will take you step by step through the whole process of diagnosing and troubleshooting a BAD ignition control module and ignition coil. The ignition control module...   read more >>

How To Test the GM EGR Valve Buick, Chevy, Olds, Pontiac

How To Test the GM EGR Valve Buick, Chevy, Olds, Pontiac

This type of EGR Valve has made the auto repair industry and GM a ton of money over the years, since it's prone to carbon blockage. Well the good news is that this is an EGR Valve and EGR Valve System that is very easy to test and diagnose... and...   read more >>

How to Test the GM MAF Sensor (3.1L, 3.4L, 4.3L, 5.0L and 5.7L)

How to Test the GM MAF Sensor (3.1L, 3.4L, 4.3L, 5.0L and 5.7L)

This is one of the easiest mass air flow sensors to Test. The following Test is an On Car Test that checks the performance of the MAF sensor with the engine running. You'll test this GM MAF sensor with a multimeter that can read Hertz (Hz)...   read more >>