ENGINE SURGES

2005 GMC Truck

Tiny

randy bovy

June, 14, 2010 AT 2:05 AM

Engine Performance problem
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.
History
Just had a transmission put in by Chev about two months ago with the same problem.

FOUND 1325 RELATED QUESTIONS

93 F150 Hesitates/surges

35 ANSWERS
5 IMAGES

Engine Surging

13 ANSWERS

1 Answer

Tiny

rasmataz

June, 14, 2010 AT 8:00 AM

You sure the tranny is not slipping? If not do below

Inspect and test all the following listed below: Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking, fuel filter or defective fuel pump.
False air leakage.
Fuel contamination.
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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