GM 4.3L, 5.0L, 5.7L Index of Articles

One of the most common problems on the GM Vortec ‘Spider’ 4.3L, 5.0L, and 5.7L engines is coolant leaking from the intake manifold gaskets. If you're reading... [read more]

Diagnosing a misfire on a ‘Spider’ fuel injector equipped GM pick up, SUV or van can seem almost impossible but the truth is quite the contrary. What makes it... [read more]

In this article I'll show you how to test the headlight switch, on your Chevrolet or GMC pickup or SUV, with a multimeter. You'll be able to troubleshoot a ‘no... [read more]

Is it possible to avoid a blown head gasket on your 4.3L, 5.0L, or 5.7L pick up (SUV, van or mini-van)? The answer is: Yes, you can avoid a blown head gasket on your vehicle... [read more]

This tutorial will help you to test the Low-High Beam Headlight Dimmer switch on your GM pick up, van, mini-van or SUV. Specifically, you'll be able to troubleshoot and... [read more]

Testing to see if the wiper switch is bad or not is not that hard to do. In this article, I'll show you how to do it with a multimeter. As you are probably already aware... [read more]

This tutorial will help you to test a bad headlight switch in step-by-step manner. Specifically, you'll be able to troubleshoot a ‘no head lights’ or a ‘no... [read more]

In this article, I'm gonna' show you a simple but very accurate way of testing the manifold absolute pressure (MAP) sensor on your 4.3L, 5.0L, or 5.7L GM car or pick up or... [read more]

In this article, you'll find the Pin Out descriptions of the 4 PCM Connectors for the 1998-1999 GM 4.3L, 5.0L or 5.7L Engines. NOTE: For other PCM pin-out charts, take a... [read more]

This article will help you to understand some of the most common causes of misfires and misfire codes (P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308) on the... [read more]