GM 3.1L, 3.4L Index of Articles

If you've been wondering if it's possible to test the thermostat on your 3.1L or 3.4L GM equipped vehicle without removing it, the... [read more] at:

Testing for a bad Fuel Injector on the GM 3.1L and 3.4L engines can be a challenge, since the Fuel Injectors are underneath the upper... [read more] at:

Testing the GM Manifold Absolute Pressure (MAP) Sensor on your GM 2.8L, 3.1L, or 3.4L V6 equipped car can be accurately done using... [read more] at:

You're gonna' be surprised just how easy it is to diagnose the oxygen sensor (O2 Sensor) on your 3.1L, 3.4L OBD II equipped GM... [read more] at:

A Blown Head Gasket will make your 3.1L or 3.4L GM car or minivan over-heat and/or Not Start. On your vehicle, you probably have... [read more] at:

Testing the 24X Crankshaft Position (CKP) Sensor or Code P0336 (24X Reference Signal Circuit) is an easy test that only involves a... [read more] at:

One of the most common problems on the GM 3.1L and 3.4L engines is coolant leaking from the intake manifold gaskets. This problem has... [read more] at:

This article will help you to diagnose Diagnostic Trouble Codes: P0135, P0141, P0155, P0161 on your GM 2.2L, 2.4L, 3.1L, 3.4L, 3.8L,... [read more] at:

I’m going to show you two different methods that you can use to verify if the no-start condition on your 3.1L or 3.4L GM vehicle is... [read more] at:

Troubleshooting and testing the Camshaft Position Sensor and Diagnostic Trouble Code (DTC): P0341 CMP Sensor Circuit Performance, (... [read more] at: