GM 2.8L Index of Articles

The blower motor control switch, on your Chevrolet S10 pickup (GMC S15 pickup, GMC Sonoma) can be easily tested to find out if it's bad (or not). In this tutorial, I'll show... [read more]

The blower motor resistor can be easily tested with a set of simple multimeter resistance tests (especially since it's very accessible). So, if you suspect that the blower... [read more]

As you already know, the throttle position sensor (TPS) is responsible for sending a signal to the engine control module (ECM) indicating the position of the throttle plate... [read more]

The blower motor, on your 2.8 V6 Chevy S10 pickup (GMC S15 pickup, GMC Sonoma), is one of the easiest components to test. In this tutorial, I'll show you how to test it in... [read more]

Your 2.8L Chevrolet S10 pickup (GMC S15 pickup, GMC Sonoma) has a speed-density fuel system. This means the fuel injection computer relies heavily on the MAP sensor to know... [read more]

The on-board diagnostic (OBD) system on pre-1996 Chevrolet S10 and GMC S15/Sonoma vehicles can display the trouble codes stored in the fuel injection computer by connecting... [read more]

Sooner or later, the alternator on your 2.8L equipped S10 pickup (S10 Blazer, GMC S15 pickup, or GMC S15 Jimmy) is going to fail. Thankfully, testing it is a pretty easy... [read more]

The vacuum hose routing diagram label is usually located in one of two spots: on the underside of the hood or on the top of the fan shroud. Here's a copy I made myself with... [read more]

This tutorial will help you test the engine compression on your 2.8L V6 S10 Pickup (GMC S15 pickup, GMC Sonoma) or 2.8L S10 Blazer. It'll also help you to further narrow... [read more]