2005 GMC Truck Repair Question
2005 GMC Truck V8 All Wheel Drive Automatic 53000 miles
Our GMC Denali is surging when cold going up the hill on our driveway. When warm it seams to quit.
Just had a transmission put in by Chev about two months ago with the same problem.
You sure the tranny is not slipping? if not do below
Inspect and test all the following listed below:
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
Fuel pressure regulator leaking,fuel filter or defective fuel pump.
False air leakage.
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.
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