Misfiring dropping RPMs

Tiny
JUGGERNAUT615
  • MEMBER
  • 2002 FORD EDGE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 137,000 MILES
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
Sunday, March 6th, 2011 AT 3:26 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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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Sunday, March 6th, 2011 AT 5:01 PM

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