GM 2.4L Index of Articles

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 MAP Sensor (GM 2.4L Quad 4)

How to Test the MAP Sensor (GM 2.4L Quad 4)

When the MAP Sensor goes BAD on your GM 2.4L Quad 4 equipped vehicle... you see one of the following Codes stored in your vehicles memory: P0106, P0107, or P108. The cool thing is that the Manifold Absolute Pressure (MAP) Sensor, on your vehicle,... read more >> (at: troubleshootmyvehicle.com)

How to Test the Oxygen Sensor (GM 2.4L Quad 4)

How to Test the Oxygen Sensor (GM 2.4L Quad 4)

It is possible to test the Oxygen Sensor on your GM 2.4L Quad 4 vehicle before buying it, and in this article I'll show you how to do it. Being able to say “YES, the O2 Sensor is BAD or NO, it's OK” will save you some time and money, because the... read more >> (at: troubleshootmyvehicle.com)

How to Test the Fuel Injectors (GM 2.4L Quad 4)

How to Test the Fuel Injectors (GM 2.4L Quad 4)

Testing a Fuel Injector on a 2.4L Quad 4 engine is a pretty easy affair, since they are in plain view and easy to get to (after taking off a few things, that is). This article will help you to do a simple resistance test of the Fuel Injectors with... 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)

Engine Compression Test (GM 2.4L Quad 4)

Engine Compression Test (GM 2.4L Quad 4)

Troubleshooting a Misfire (P0300, P0301, P0302, P0303, P0304) or Rough Idle Condition on your Quad 4, whether it’s a Chevy, or a Buick, or a Pontiac, or an Olds, can be a challenge that can have you pulling out your hair (I know from first hand... read more >> (at: troubleshootmyvehicle.com)

How to Test the Ignition Coils (GM 2.4L Quad 4)

How to Test the Ignition Coils (GM 2.4L Quad 4)

Testing the Quad 4 (2.4L) GM ignition coils can be a bit of a challenge since they're located under an aluminum cover. Also, in my humble opinion, this ignition system is not the most sturdy or well thought-out way to create and deliver spark to...   read more >>

Blown Head Gasket Test (GM 2.4L Quad 4)

Blown Head Gasket Test (GM 2.4L Quad 4)

Overheating is the number one cause of a Blown Head Gasket on a 2.4L Quad 4 equipped Buick (or Chevy, Olds, Pontiac) car. If you think that your car has a Blown Head Gasket, this article will help you to find out with three fast and easy... read more >> (at: troubleshootmyvehicle.com)

How to Test the Ignition Module and Crank Sensor (GM 2.4L)

How to Test the Ignition Module and Crank Sensor (GM 2.4L)

I remember when the Quad 4 engine first came out and thinking what a pain in the ass diagnosing and repairing it would be. And as time went on... I found out just how right that first impression was. Well, in this article I've made diagnosing...   read more >>

How to Test the Starter Motor (GM 2.4L Quad 4)

How to Test the Starter Motor (GM 2.4L Quad 4)

Nothing sucks more than having your car not start. Without your car... how can you get to work? To the grocery store? To get the kids to and from school? Well, this article will help you to troubleshoot the Starter Motor on your 2.4L GM (Quad 4)... read more >> (at: troubleshootmyvehicle.com)