GM 2.2L Index of Articles

The TPS is one of the easiest sensors to test on your 2.2L equipped Chevy S10 (or GM Sonoma). In this tutorial, I'll show you the 3 basic TPS tests that you need to... [read more]

Testing the 4-wire rear oxygen sensor's internal heater on your 2.2L Chevy S10 (2.2L GMC Sonoma) is a piece of cake. So, if your check engine light is lit by a diagnostic... [read more]

One of the most over-looked tests, when troubleshooting a hard to solve Misfire, is the engine compression test. Over the years, I’ve... [read more] at:

The front oxygen sensor on the 2.2L GM engines is a one-wire sensor, which means that it doesn't have an internal heater. The oxygen sensor's performance can be easily... [read more]

If one or more Fuel Injectors go bad on your GM 2.2L equipped vehicle, they will set the dreaded Misfire Codes: P0300, P0301, P0302,... [read more] at:

Troubleshooting a diagnostic trouble code (DTC) P0141: HO2S Heater Circuit Sensor 2 on your 2.2L Chevy Cavalier (Pontiac Sunfire) is a pretty easy affair. You don't need... [read more]

Testing for a Blown Head Gasket on your 2.2L S10 (or Cavalier, Sunfire, etc) can be done is several different ways. In this article,... [read more] at:

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... [read more]

Testing a Misfire Code (P0300, P0301, P0302, P0303, P0304) isn’t hard and I’ll explain some of the testing tips and techniques that... [read more] at:

Verifying that the Fuel Injector is indeed receiving Power and it’s On/Off Signal from the PCM (Powertrain Control Module) is a... [read more] at: