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2004 GMC ENVOY
2004 GMC Envoy engine jumping like its about to cut off like it's losesing presure
have the same problem?
Friday, February 4th, 2011 AT 12:29 AM
Could be caused by one of the following below:
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Manifold absolute pressure sensor.
Fuel pressure regulator leaking or defective fuel pump.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.
Note:If it doesn't apply disregard it and keep testing.
Monday, March 28th, 2011 AT 2:35 AM
to post a reply.
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