GM 3.8L Index of Articles

How to Test a Does Not Crank Condition -Case Study (GM 3.8L)

How to Test a Does Not Crank Condition -Case Study (GM 3.8L)

Testing a ‘does not crank’ problem can sometimes be a challenge... since so many things can can cause it. With this Case Study, I'll explain some of the basic testing/troubleshooting steps that are usually done to test for a DOES NOT...   read more >>

How to Test the MAF Sensor GM 3.1L, 3.3L, 3.8L (1989-1996)

How to Test the MAF Sensor GM 3.1L, 3.3L, 3.8L (1989-1996)

This article will show you how to test and diagnose a BAD GM mass air flow (MAF) sensor on all of the early 90 thru' mid 90's Buick, Olds, Pontiac 3.1L, 3.3L and 3.8L V6 equipped cars (to be more specific: 89-96). If you need to just clean the...   read more >>

How to Test Ignition Coil Pack -Misfire Troubleshooting Tests (GM 3.8L)

How to Test Ignition Coil Pack -Misfire Troubleshooting Tests (GM 3.8L)

This article presents very simple and effective ON CAR tests of the ignition coil packs on the GM 3.8L V6 equipped engines (Buick, Chevy, Oldsmobile, Pontiac). You'll be able to troubleshoot and diagnose a BAD ignition coil, or BAD spark plug...   read more >>

GM 3.8L Ignition Control Module and Crank (3X, 18X) Sensor Test

GM 3.8L Ignition Control Module and Crank (3X, 18X) Sensor Test

This test will help you to pinpoint the problem to the ignition control module (ICM) or the crankshaft position sensor as the source of your car's NO START condition. Before starting the tests you must first check and verify that there's NO SPARK...   read more >>