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

In this tutorial I'm gonna' explain how to do a compression test on the 4.8L, 5.3L, 6.0L V8 engines of the Chevrolet Express and GMC Savana van. I'm also going to explain... [read more]

This tutorial will help you to test diagnostic trouble codes P0135 and P0155 on specific 2003, 2004, and 2005 Chevy and GMC Pickups, Vans, and SUVs with either a 4.8L,... [read more]

Testing the fuel pump, on your 2003-2007 V8 equipped Chevrolet Express (GMC Savana) van, can easily and accurately be done with a fuel pressure test gauge. In this... [read more]

With the help from this tutorial, you be able to test the oxygen sensor to see if its heater element is really fried, and thus causing the P0135 or P0155 to light up your... [read more]

APPLIES TO: This ignition system wiring diagram applies to the following vehicles: Chevrolet: Express (1500): 4.8L, 5.3L: 2003, 2004, 2005, 2006,... [read more]

This tutorial will help you test the downstream oxygen sensor's on your 4.8L, 5.3L, or 6.0L Chevy or GMC Pickup or SUV. If this tutorial doesn't cover your specific vehicle,... [read more]

APPLIES TO: This simplified fuel pump circuit wiring diagram applies to the following vehicles: Chevrolet: Express (1500): 4.8L, 5.3L: 2003, 2004,... [read more]

Testing the post-catalytic converter oxygen (O2) sensors, to see if they are causing the P0141 or P0161 to light up your check engine light (CEL) on your instrument cluster... [read more]

This tutorial will help you to test diagnostic trouble codes P0135 and P0155 on specific Chevy and GMC Pickups, Vans, and SUVs with either a 4.8L, 5.3L, or 6.0L V8. To... [read more]