GM 3.8L Index of Articles

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 instruction... read more >> (at: troubleshootmyvehicle.com)

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 >> (at: troubleshootmyvehicle.com)

How To Do An Engine Compression Test (1995-1996 GM 3.8L)

How To Do An Engine Compression Test (1995-1996 GM 3.8L)

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, how to interpret its results. You'll be able to easily find out if a...   read more >>

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 if: Your car... read more >> (at: troubleshootmyvehicle.com)

How To Test The 3.8L GM Crank Sensor With A Multimeter

How To Test The 3.8L GM Crank Sensor With A Multimeter

The 3X-18X Crankshaft Position (Crank) Sensor, on the GM 3.8L V6 engine, can easily be tested (to find out if it's bad or not) with a multimeter. With this article, I’ll walk you thru’ the entire Crank Sensor testing process in a step-by-step... read more >> (at: troubleshootmyvehicle.com)

Testing Diagnostic Trouble Codes: P0135, P0141, P0155, P0161

Testing Diagnostic Trouble Codes:  P0135, P0141, P0155, P0161

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, 4.3L, 5.0L, 5.7L. All of these Trouble Codes have to do with a malfunction in the oxygen sensor's heater or it's... read more >> (at: troubleshootmyvehicle.com)

Testing The Oxygen Sensor GM 3.8L

Testing The Oxygen Sensor GM 3.8L

If the upstream Oxygen Sensor has failed, one of the most obvious symptoms besides the check engine light being on, is really bad Gas mileage. In this article, I'll show you how to test the oxygen sensor (commonly known as the O2 Sensor) without... read more >> (at: troubleshootmyvehicle.com)

How To Do An Injector Noid Light Test (GM 3.8L)

How To Do An Injector Noid Light Test (GM 3.8L)

A Fuel Injector, on your 3.8L V6 GM vehicle (Buick, Chevrolet, Oldsmobile, Pontiac) can stop working and cause a Rough Idle and/or Misfire Condition if it doesn’t get Power (12 Volts) or it’s Injector Pulse Signal from the PCM. Of course, this will... read more >> (at: troubleshootmyvehicle.com)

How To Test The 3.8L GM Cam Sensor (P0341)

How To Test The  3.8L GM Cam Sensor (P0341)

Testing the Camshaft Position Sensor and/or Diagnostic Trouble Code (DTC) P0341, on your 3.8L V6 equipped GM car or mini-van, is an easy test that can be done using only a multimeter. No Scan Tool is needed for this test! Now, since the Cam Sensor... read more >> (at: troubleshootmyvehicle.com)

Fuel Injector Resistance Test (GM 3.8L)

Fuel Injector Resistance Test (GM 3.8L)

A BAD Fuel Injector can cause your 3.8L Buick (or Chevrolet, or Pontiac, or Oldsmobile) to idle rough, miss, and make the check engine light come on (if the vehicle is ODB II equipped, you could see Misfire Codes: P0300, P0301, P0302, P303, P0304,... read more >> (at: troubleshootmyvehicle.com)