ENGINE PERFORMANCE PROBLEM1986 GMC TRUCK V8 TWO...

1986 GMC Truck

Tiny

chamy

February, 25, 2010 AT 6:45 AM

Engine Performance problem
1986 GMC Truck V8 Two Wheel Drive Automatic

my truck takes about 10 seconds to pick up speed and has a little miss to it

FOUND 16215 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

February, 25, 2010 AT 9:03 AM

Hesistating/lacking acceleration -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 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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