GM 3.1L, 3.4L Index of Articles

How to Test the Ignition Coil Packs (GM 3.1L, 3.4L)

How to Test the Ignition Coil Packs (GM 3.1L, 3.4L)

In this type of Direct Ignition System (DIS), three individual Ignition Coil Packs are mounted right on top of the Ignition Control Module (ICM). As you already know, each Coil Pack comes with two towers that fire off a spark to two different... read more >> (at: easyautodiagnostics.com)

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 Throttle Position Sensor (GM 3.1L, 3.4L)

How to Test the Throttle  Position Sensor (GM 3.1L, 3.4L)

This article will take you step by step thru’ the testing and troubleshooting of the Throttle Position Sensor on your GM 3.1L or 3.4L V6 equipped car (Buick, Chevrolet, Oldsmobile, Pontiac). You don’t need an Automotive Scan Tool, since all of... read more >> (at: easyautodiagnostics.com)

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... 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...... read more >> (at: easyautodiagnostics.com)

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 >> (at: easyautodiagnostics.com)

GM EGR Valve Test (P0401, P0403, P0404, P0405)

GM EGR Valve Test  (P0401, P0403, P0404, P0405)

Testing and troubleshooting an EGR Valve issue or EGR Diagnostic Trouble Code (DTC) on your GM vehicle is not hard to do. In this article I'll show you how to do it step-by-step and you won't even need a Scan Tool! Before we jump in head long... read more >> (at: easyautodiagnostics.com)

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 >> (at: easyautodiagnostics.com)

How to Bench Test a Starter Motor (Step by Step)

How to Bench Test a Starter Motor (Step by Step)

Bench Testing the Starter is the most effective way to find out if the Starter Motor is in fact BAD. This is an easy test that you can accomplish yourself without having to take the Starter Motor to AutoZone or O’reilly or Pepboys Auto... read more >> (at: easyautodiagnostics.com)

“Some people see things that are and ask, Why? Some people dream of things that never were and ask, Why not? Some people have to go to work and don’t have time for all that.”
George Carlin