GM 3.8L Index of Articles

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 light) or not. This MAF Test is done in 3... [read more]

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... [read more]

This article will help you to diagnose Diagnostic Trouble Codes: P0135, P0141, P0155, P0161 on your GM 2.2L, 2.4L, 3.1L, 3.4L, 3.8L,... [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... [read more] at:

A Fuel Injector, on your 3.8L V6 GM vehicle (Buick, Chevrolet, Oldsmobile, Pontiac) can stop working and cause a Rough Idle and/or... [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... [read more] at:

A BAD Fuel Injector can cause your 3.8L Buick (or Chevrolet, or Pontiac, or Oldsmobile) to idle rough, miss, and make the check... [read more] at:

Troubleshooting a Misfire Condition or Misfire Codes (OBD II) on your GM 3.8L V6 equipped vehicle (Buick, Chevy, Olds, Pontiac) can... [read more] at:

Testing the engine compression is the best way to find out the internal health of the engine. In this tutorial, I'll explain how to perform the test and more importantly,... [read more]

This tutorial will help you to do a Cylinder Balance Test on your 3.8L equipped Buick (Chevy, Olds, or Pontiac) car or mini-van. Why... [read more] at: