1992 Ford Aerostar idle and acceleration

1992 FORD AEROSTAR
160,000 MILES • 6 CYL • 2WD • AUTOMATIC
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NEAL HYMEL
  • MEMBER
  • 1 POST
Van has sat for a while i ran a can of sea foan cleaner with tank of fresh fuel after a week or so i was going to change fuel filter the van now at times will run rough it just shake and clunks and barely run you can press gas pedle to the floor with no response if you turn engine off for 5 minutes or so it will fun find till this happnes again
Jul 21, 2010 at 11:43 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
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.
Jul 21, 2010 at 11:55 PM
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