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1997 Ford Aerostar 4.0L Poor Idle Quality
Posted to Ford Driveability on 5/31/2007 12 Replies

This van is rough idling, like missing one cylinder. Vacuum guage shows steady at 18 in (idle), but at the tail pipe end, you can feel the sucking. Seems like burnt exhaust valve, or leaky exhaust valve. Scope reading shows normal ignition pattern and injector...

12 Replies Received (View Replies)

  Related Documents & Media  1997 Ford Aerostar

 
Message Closed w/FIX

car Vehicle Data

1997 Ford Aerostar

VIN 1FMDA31X3V
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIdle
Message Closed w/FIX

car Vehicle Data

1997 Ford Aerostar

VIN 1FMDA31X3V
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIdle