GM 2.8L Index of Articles

If you're wondering how to test the engine coolant thermostat, this tutorial provides a comprehensive guide to help you do so using an infrared thermometer gun. All test... [read more]

The engine coolant temperature (ECT) sensor might look tough to test, especially since the repair manual calls for a scan tool with live data capability to test it, but it's... [read more]

The fuel pump can be easily tested with a fuel pressure tester on your 2.8L Chevrolet S10 pickup. In this tutorial, you'll find the step-by-step instructions that explain... [read more]

The vacuum hose routing label will eventually become unreadable, peel off, or go missing (typically when the fan shroud is replaced). If you find yourself in this situation,... [read more]

The EGR vacuum solenoid isn't difficult to test and in this tutorial, I'll show you how in a step by step manner. With your test results, you'll quickly determine if the... [read more]

Having the right tune-up specification information is essential to keeping your 2.8L V6 Chevrolet S10 pickup (GMC S15 pickup, GMC Sonoma) on the road and running at its... [read more]

In this tutorial, you'll find a step-by-step guide to troubleshooting the EGR valve as good or bad. All four EGR valve test steps are explained in detail so you can quickly... [read more]

There are several components that, when they fail, can prevent the engine from starting. These can include issues with the ignition coil, ignition control module, fuel... [read more]

I think you'll be surprised at how easy it is to troubleshoot the starter motor to determine if it's good or bad. In this tutorial, I'll explain the three tests you need to... [read more]

The spark plugs are an important component of the ignition system and sooner or later, they'll need to be replaced. In this article, I'll answer some of the most commonly... [read more]