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

ECT Sensor Test (P0117, P0118) (GM 4.3L, 5.0L, 5.7)

ECT Sensor Test (P0117, P0118)  (GM 4.3L, 5.0L, 5.7)

This article will help you to troubleshoot the Engine Coolant Temperature (ECT) Sensor on your GM 4.3L, 5.0L, or 5.7L equipped pick up, van, mini-van or SUV. Here are the main points of this article: Important Suggestions and Tips. Symptoms of a... read more >> (at: troubleshootmyvehicle.com)

Troubleshooting A Blown Head Gasket (GM 4.3L, 5.0L, 5.7L)

Troubleshooting A Blown Head Gasket (GM 4.3L, 5.0L, 5.7L)

There are so many ways to test for a Blown Head Gasket on your 4.3L, 5.0L, 5.7L GM van (or mini-van, pick up, SUV) that it can get confusing. Well, I’m going to show you three different ways to test for a Blown Head Gasket. These are step-by-step... read more >> (at: troubleshootmyvehicle.com)

PCM Connector Pin Out Charts (GM 4.3L, 5.0L, 5.7L)

PCM Connector Pin Out Charts  (GM 4.3L, 5.0L, 5.7L)

The 1996-97 PCM (Powertrain Control Module = Fuel Injection Computer) on your 4.3L, 5.0L or 5.7L Engine has a total of 4 connectors (you can find the 98 PCM connector pin outs here: 1998-99 PCM Connector Pin Outs). Each connector can be identified... read more >> (at: troubleshootmyvehicle.com)

How To Test The Thermostat (GM 4.3L, 5.0L, 5.7L)

How To Test The Thermostat (GM 4.3L, 5.0L, 5.7L)

When the Thermostat, in your GM 4.3L, 5.0L or 5.7L pick up, SUV, or van fails, it does one of two things: it stays stuck open or stuck closed. If it stays stuck closed, your pick up (van or SUV) will overheat. If it stays stuck open (or if it's... read more >> (at: troubleshootmyvehicle.com)

No Start - No Fuel 'Spider' Fuel Injector Troubleshooting Case Study

No Start - No Fuel 'Spider' Fuel Injector  Troubleshooting Case Study

The most common type of failure in the CPI 'Spider' Fuel Injector System is usually fuel leaks (inside the Intake Manifold Plenum). But, every now and then, instead of leaking fuel, the 'Spider' Fuel Injector Assembly won't spray any Fuel into the... read more >> (at: troubleshootmyvehicle.com)

GM Engine Compression Test (4.3L, 5.0L, 5.7L)

GM Engine Compression Test (4.3L, 5.0L, 5.7L)

Testing the Engine Compression on your 4.3L or 5.0L or 5.7L GM equipped vehicle is not hard. In this article, I’ll guide you every step of the way and I’ll also show you how to interpret the results of the Compression Test. Why do an Engine... read more >> (at: troubleshootmyvehicle.com)

Shift Solenoid A and B Tests (GM 4.3L, 5.0L, 5.7L)

Shift Solenoid A and B Tests (GM 4.3L, 5.0L, 5.7L)

In this article, I'll show you how to Test the Transmission Shift Solenoids (specifically 1-2 Solenoid and 2-3 Solenoid) on your GM 4.3L, 5.0L, 5.7L pick up, van, SUV. You'll be surprised just how easy it is to diagnose these Shift Solenoids when... read more >> (at: troubleshootmyvehicle.com)

How To Test The Headlight Switch (GM 1990-1994)

How To Test The Headlight Switch (GM 1990-1994)

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 Headlights’ and/or a ‘No Parklights’ condition and decisively say that the Headlight... read more >> (at: troubleshootmyvehicle.com)

How To Test The 'Spider' Fuel Injector Assembly (4.3L, 5.0L, 5.7L)

How To Test The 'Spider' Fuel Injector Assembly (4.3L, 5.0L, 5.7L)

Testing a leaking 'Spider' Fuel Injector Assembly or a leaking Fuel Pressure Regulator (GM 4.3L, 5.0L, or 5.7L ) can seem impossible, since both of these bad boys are located inside the Intake Manifold's Plenum... but they can be tested and it's... read more >> (at: troubleshootmyvehicle.com)

1998-99 PCM Connector Pin Out Charts (GM 4.3L, 5.0L, 5.7L)

1998-99 PCM Connector Pin Out Charts  (GM 4.3L, 5.0L, 5.7L)

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 (the pin out charts for 96-97 can be found here: 96-97 PCM Pin Out Charts). Each connector can be identified as: C1 Blue... read more >> (at: troubleshootmyvehicle.com)