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1992 Ford Aerostar idle and acceleration

Tiny
NEAL HYMEL
  • MEMBER
  • 1992 FORD AEROSTAR
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
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
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Thursday, July 22nd, 2010 AT 6:43 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 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.
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Thursday, July 22nd, 2010 AT 6:55 AM

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