S10, Sonoma 4.3L Index of Articles

The fuel pump on your Chevrolet S10 pickup or GMC Sonoma's 4.3L V6 TBI equipped engine can be tested with a fuel pressure test gauge. In this tutorial, I'll walk you... [read more]

The starter motor is the component that cranks the engine to get it to start (when you turn the key to the START position). Eventually, the starter motor is gonna fail and... [read more]

The alternator on your 4.3L V6 Chevy S10 pickup or GMC Sonoma can be tested with a multimeter, and in this tutorial, I'll show you how. With your test results, you'll... [read more]

The throttle position sensor (TPS) can be diagnosed as good or bad with three simple tests. The cool thing is that these three tests are done with a multimeter -no scan tool... [read more]

If you suspect your Chevrolet S10 or GMC Sonoma's 4.3L V6 engine has suffered a blown head gasket, this tutorial will walk you through the blown head gasket testing... [read more]

The manifold absolute pressure (MAP) sensor is a critical component of your 1988-1993 4.3L Chevrolet S10 or GMC Sonoma's engine management system. When the MAP sensor fails,... [read more]

In this tutorial, you'll learn how to test the engine compression and determine if an engine compression problem is causing an engine no-start or an engine performance... [read more]

The alternator is one of the easiest components to test on your 1994-1995 4.3L V6 Chevy S10 pickup or GMC Sonoma. In this tutorial, I'll show you how to test the alternator... [read more]

Although the spark plug is probably the smallest component of the ignition system, it plays an outsized role in keeping your Chevy S10 pickup or GMC Sonoma's 4.3L V6 engine... [read more]