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

P0440 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra)

P0440 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra)

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 shed some light on what this trouble code means and some of the tests you...   read more >>

How To Test The EVAP Vent Solenoid (1999-2002 V8 Chevrolet Silverado, GMC Sierra)

How To Test The EVAP Vent Solenoid (1999-2002 V8 Chevrolet Silverado, GMC Sierra)

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 if it's bad or not. Your test result will also help you find out if the EVAP...   read more >>

P0446 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra)

P0446 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra)

A trouble code P0446: Evaporative Control System Vent Valve Performance usually points to a blocked EVAP vent solenoid that isn't able to draw fresh air into the EVAP carbon canister. In this tutorial I'll explain what this trouble code means....   read more >>

Ignition Switch Circuit Wiring Diagram (2000 V8 Chevrolet Silverado, GMC Sierra)

Ignition Switch Circuit Wiring Diagram (2000 V8 Chevrolet Silverado, GMC Sierra)

NOTE: The above ignition switch circuit wiring diagram applies to the following vehicles: Chevrolet: 4.8L Chevrolet Silverado (1500, 2500): 2000 5.3L Chevrolet Silverado (1500, 2500): 2000 6.0L Chevrolet Silverado (2500):...   read more >>

P0300 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra)

P0300 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra)

In this tutorial I'll explain what a P0300: Random Cylinder Misfire trouble code means. I'll also talk about some of the tests you can perform to find its cause and solution. Contents of this tutorial: What Does Trouble...   read more >>

P0758 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra)

P0758 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra)

A trouble code P0758: 2-3 Shift Solenoid Circuit Electrical Malfunction usually tells you that the transmission isn't shifting correctly because the 2-3 shift solenoid has failed. In this tutorial I'll explain what this trouble code means. I'll...   read more >>

Fuel Injector Circuit Wiring Diagram (1999-2002 V8 Chevrolet Silverado, GMC Sierra)

Fuel Injector Circuit Wiring Diagram (1999-2002 V8 Chevrolet Silverado, GMC Sierra)

NOTE: The above fuel injector circuit wiring diagram applies to the following vehicles: Chevrolet: 4.8L Chevrolet Silverado (1500, 2500): 1999, 2000, 2001, 2002 5.3L Chevrolet Silverado (1500, 2500): 1999, 2000, 2001, 2002 6.0L...   read more >>

P0332 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra)

P0332 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra)

A trouble code P0332: Knock Sensor No. 2 Circuit Problem usually tells you that the rear knock sensor has failed. In this tutorial I'll explain what this trouble code means. I'll also talk about some of the tests you can perform to find its...   read more >>

Ignition Switch Circuit Wiring Diagram (1999 V8 Chevrolet Silverado, GMC Sierra)

Ignition Switch Circuit Wiring Diagram (1999 V8 Chevrolet Silverado, GMC Sierra)

NOTE: The above ignition switch circuit wiring diagram applies to the following vehicles: Chevrolet: 4.8L Chevrolet Silverado (1500, 2500): 1999 5.3L Chevrolet Silverado (1500, 2500): 1999 6.0L Chevrolet Silverado (2500):...   read more >>

P0449 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra)

P0449 -What Does It Mean? (1999-2006 V8 Chevrolet Silverado, GMC Sierra)

A trouble code P0449: EVAP Canister Vent Solenoid Control Circuit Problem usually points to a bad EVAP vent solenoid that isn't closing when commanded ON by the fuel injection computer. In this tutorial I'll explain what this trouble code means....   read more >>