MISFIRING DROPPING RPMS

2002 Ford Edge

Tiny

juggernaut615

March, 6, 2011 AT 3:26 PM

Truck misfires and sputers whenever gas is applied runs rough at start up but will idle normally but as soon as gas is applied starts dropping rpms and misfiring

FOUND 5709 RELATED QUESTIONS

Engine Miss

52 ANSWERS
12 IMAGES

1 Answer

Tiny

rasmataz

March, 6, 2011 AT 5:01 PM

Could be caused by one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
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 it and keep testing.

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