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

Vacuum leaks can cause engine performance and emissions problems and the 4.8L, 5.3L, and 6.0L V8 engines are no strangers to vacuum leaks. So, if you're currently trying... [read more]

APPLIES TO: This ignition system wiring diagram applies to the following vehicles: Chevrolet: 4.8L Chevrolet Silverado (1500, 2500): 2003, 2004, 2005, 2006 5.3L... [read more]

A trouble code P0442: EVAP System Leak Detected tells you there's an EVAP system leak, just not where it's at. In this tutorial I'll shed some light on what this trouble... [read more]

NOTE: The above wiring diagram applies to the following vehicles with an automatic transmission: Chevrolet: 4.8L Chevrolet Silverado (1500, 2500): 2001, 2002... [read more]

A P0440: Evaporative Emission Control System Malfunction is one of those trouble codes that tells you there's problem, just not what's causing it. In this tutorial I'll... [read more]

APPLIES TO: This ignition system wiring diagram applies to the following vehicles: Chevrolet: 4.8L Chevrolet Silverado (1500, 2500): 1999, 2000, 2001, 2002 5.3L... [read more]

In this tutorial I'll explain how to test the EVAP vent solenoid in a step-by-step way. All of the test steps are explained in detail. You'll be able to easily find out... [read more]

A trouble code P0101: MAF Sensor System Performance Problem tells you that the fuel injection computer is seeing a problem with the MAF sensor signal. If this code is... [read more]

NOTE: The above ignition switch circuit wiring diagram applies to the following vehicles: Chevrolet: 4.8L Chevrolet Silverado (1500, 2500): 2000 5.3L Chevrolet... [read more]

A trouble code P0443: EVAP System Purge Control Valve Circuit Malfunction tells you that the EVAP purge solenoid isn't doing what is should be doing when the fuel injection... [read more]