GM 3.1L, 3.4L Index of Articles

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 MAF...   read more >>

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

How To Test The 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 >>

How To Do A Cylinder Balance Test (GM 3.1L, 3.4L)

How To Do A Cylinder Balance Test (GM 3.1L, 3.4L)

Trying to find out which Cylinder is the one Misfiring can be a little difficult if the PCM (Powertrain Control Module= Fuel Injection Computer) does not set a Misfire Code. Unplugging one Spark Plug Wire at a time (while the engine is idling) to... read more >> (at: troubleshootmyvehicle.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 >>

Troubleshooting Misfire Codes (GM 3.1L, 3.4L)

Troubleshooting Misfire Codes (GM 3.1L, 3.4L)

Testing a Misfire Condition or Misfire Codes (P0300, P0301, P0302, P0303, P0304, P0305, P0306) on a 3.1L or 3.4L V6 Gm car or mini-van can seem like a really difficult task. You could be asking yourself questions like: Where do I Start? What Do I... read more >> (at: troubleshootmyvehicle.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 >>

How To Do An Engine Compression Test (GM 3.1L, 3.4L)

How To Do An Engine Compression Test (GM 3.1L, 3.4L)

If you’re trying to nail down a hard to diagnose Misfire Condition or Misfire Codes and need to know how to do and interpret an Engine Compression Test... you’ve come to the right article. This article will walk you thru’ the Engine Compression... read more >> (at: troubleshootmyvehicle.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 >>

How To Test The Alternator (GM 3.1L, 3.4L)

How To Test The Alternator (GM 3.1L, 3.4L)

This article will walk you, step by step, through the testing of the Alternator on your 3.1L or 3.4L GM car. No expensive testing equipment is needed, all you need is a Multimeter to accomplish this test.. This is an On-Car Test of the Alternator... read more >> (at: troubleshootmyvehicle.com)

How To Test The Starter Motor (GM 3.1L, 3.4L)

How To Test The Starter Motor (GM 3.1L, 3.4L)

Testing to see if the starter motor is the one causing your GM 3.1L or 3.4L equipped car or mini-can not to crank and start is an easy test to perform. In this article I’ll show you how to do it in three simple test steps. Since this is an On-Car... read more >> (at: troubleshootmyvehicle.com)