GM 4.8L, 5.3L, 6.0L Index of Articles

Testing the Intake Air Temperature (IAT) Sensor, which is located inside the Mass Air Flow (MAF) Sensor, can easily be done with a... [read more] at:

This Case Study will help you to test a Thermal Fan Clutch on any GM vehicle equipped with one. Believe it or not, there's a... [read more] at:

This tutorial will show you how to test the MAF on your GM car, pick up, or SUV using a digital multimeter and without using a scan tool. All you need (to diagnose and... [read more]

If the Crank Sensor fails in your 4.8L, 5.3L or 6.0L GM vehicle, it's not gonna' start. In this article, I'll show you how to test it... [read more] at:

If you've been searching for a simple resistance test and specification tutorial for the Accelerator Pedal Position (APP) Sensors (APP 1, APP 2, and APP 3), then you've... [read more]

Testing the engine compression on your Chevrolet or GMC 4.8L, 5.0L, or 6.0L engine is not hard to do. A compression test will help you to determine the health of your... [read more]

The end result of severe over-heating is usually a blown head gasket, but not always. If and/when a head gasket burns or the cylinder head warps, you're gonna' need to... [read more]

Cleaning the throttle plate and throttle plate bore on the 4.8L, 5.3L, and 6.0L GM electronic throttle body is one of the most important routine maintenance services that... [read more]

In this tutorial, I'm gonna' help you troubleshoot Throttle Position (TP) Sensor 2, also know as TP Sensor B, to see if this bad boy is bad or not. When TP Sensor 2 goes... [read more]

'Fly-by-wire' systems are being used in a lot of cars and pickups on the road today and one of the most common 'Fly-by-Wire' systems in use is the one that graces most of... [read more]