GM 3.8L Index of Articles

This tutorial will help you do a cylinder balance test on your 3.8L equipped Buick (Chevy, Olds, or Pontiac) car or mini-van. Why a cylinder balance test? Because it's the... [read more]

Troubleshooting a misfire condition or misfire codes (OBD II) on your GM 3.8L V6 equipped vehicle (Buick, Chevy, Olds, Pontiac) can be quite a challenge. Why? Because so... [read more]

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... [read more] at:

Testing the starter motor on any GM 3.8L equipped car or mini-van (to find out if it's the one causing your car or mini-van not to crank) can be done in two easy tests and... [read more]

In this article, I'll show you how to test the Mass Air Flow (MAF) Sensor on your GM 3.8L (3800) vehicle without a scan tool... [read more] at:

Testing the alternator, to see if it's the cause of your 3.8L GM vehicle's no charge condition, is something that you can do in three easy tests. This article will show you... [read more]

In this test tutorial, I'll show you how to test the Mass Air Flow Sensor to see if it's bad (and lighting up the check engine... [read more] at:

This Test will help you to pinpoint the problem to the ignition control module (ICM) or the Crankshaft Position Sensor as the... [read more] at:

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.... [read more] at:

This article presents very simple and effective ON CAR tests of the ignition coil packs on the GM 3.8L V6 equipped engines (Buick,... [read more] at: