GM 3.8L Index of Articles

How To Do A Cylinder Balance Test (GM 3.8L V6)

How To Do A Cylinder Balance Test (GM 3.8L V6)

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 a cylinder balance test? Because it's the best way to find a ‘dead’ cylinder on your 3.8L V6 engine...   read more >>

How To Diagnose Misfire Codes P0300-P0306 (GM 3.8L)

How To Diagnose Misfire Codes P0300-P0306 (GM 3.8L)

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 many different things can cause a misfire (also known as an engine miss or...   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 >> (at: easyautodiagnostics.com)

How To Test The Starter Motor (GM 3.8L)

How To Test The Starter Motor (GM 3.8L)

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 in this article, I'll show you how. With the step by step test...   read more >>

How To Test The GM MAF Sensor 3.8L V6 (1996-2005)

How To Test The GM MAF Sensor  3.8L V6 (1996-2005)

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 . Now, in case you wondering if this test applies to your specific vehicle, this article covers the MAF Sensor on 1996... read more >> (at: easyautodiagnostics.com)

How To Test The Alternator With A Multimeter (GM 3.8L)

How To Test The Alternator With A Multimeter (GM 3.8L)

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 how in a step-by-step fashion. All you need is a multimeter. This...   read more >>

How To Test The GM MAF Sensor P0100, P0101, P0102, P0103

How To Test The GM MAF Sensor P0100, P0101, P0102, P0103

In this test tutorial, I'll show you how to test the Mass Air Flow Sensor to see if its BAD (and lighting up the Check Engine Light) or not. This MAF Test is done in 3 easy steps. All you'll need, to test the MAF Sensor (with this tutorial) is a... read more >> (at: easyautodiagnostics.com)

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 >> (at: easyautodiagnostics.com)

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 >> (at: easyautodiagnostics.com)

GM 3.8L Ignition Coil Pack Tests

GM 3.8L Ignition Coil Pack Tests

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 >> (at: easyautodiagnostics.com)