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

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)

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)

How To Test The Cam Sensor Diagnostic Trouble Codes: P0340, P0341

How To Test The Cam Sensor Diagnostic Trouble Codes: P0340, P0341

Testing the Cam Sensor, inside the Distributor on all 4.3L, 5.0L, and 5.7L GM equipped mini-vans, pick ups and SUVs, can be easily and accurately done with just a Multimeter. No Scan Tool required for the Cam Sensor Test... since a Scan Tool is... 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)

GM Starter Motor Test Testing a No Crank Condition

GM Starter Motor Test Testing a No Crank Condition

If you’ve been looking for a detailed step-by-step Starter Motor Test, well you’ve found it. This article will show you how to test the starter motor on your GM 4.3L, 5.0L, or 5.7L pick up, van or mini-van. Having your pick up (or van or mini-van)... 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)

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

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

This article will help you to troubleshoot and diagnose a BAD Crankshaft Position Sensor on your 4.3L, 5.0L and 5.7L Vortec equipped GM Pick Up or SUV. Since the 3-wire Crankshaft Position (CKP) Sensor can not be tested by a Multimeter resistance... 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)

‘Spider’ Fuel Injector Misfire & Hydrolock (Troubleshooting Case Study)

‘Spider’ Fuel Injector Misfire & Hydrolock  (Troubleshooting Case Study)

This Case Study will help you to diagnose a ‘Spider’ Fuel Injector that is stuck open due to the PCM having fried and causing one of two things: A Misfire Condition or Engine Hydrolock (a No Crank Condition caused by gasoline filling up an entire... 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)