GM 2.2L Index of Articles

You'll be able to test the blower motor switch, with the help of this tutorial, and find out if it's bad or not. Everything is explained in plain English and are simple tests a DIY'er can do with a multimeter and a jumper wire. This tutorial...   read more >>

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 perform to find out if the TPS is bad or not. In case you're wondering, the...   read more >>

This tutorial will explain how to test the headlight switch on your 1994-1997 Chevrolet S10 (GMC Sonoma). We'll test the headlamp and park-lamp circuits of the headlight switch. When the headlight switch fails, the headlights won't come...   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 trouble code (DTC) P0141: HO2S Heater Circuit Sensor 2 on your 2.2L Chevy...   read more >>

The 1995-2003 Chevy S10 (GMC Sonoma) blower motor resistor can be tested easily and in this tutorial I'll explain how to do it in a step-by-step way. NOTE: This tutorial applies to the 1995-2003 Chevy S10 and GMC Sonoma equipped with a 2.2L or a...   read more >>

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 tested with a multimeter. In other words, you don't need a scan tool with...   read more >>

Testing the blower motor on your 2.2L Chevrolet S10 (GMC Sonoma) is a pretty easy affair. The cool thing is that testing the blower motor involves two simple tests and in this tutorial I'll explain how to do it in a step-by-step way. NOTE:...   read more >>

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 any expensive diagnostic test equipment... all you'll need is a...   read more >>

In this tutorial, I'll show you how to test the throttle position sensor in 3 basic tests that are done with a multimeter. No scan tool or any other expensive diagnostic equipment required. Also, you don't have to remove the TPS to test it! So,...   read more >>