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1991 Ford Explorer XL 4.0L Misfire
Posted to Ford Driveability on 6/9/1998

Customer complaint is a misfire around 35-45 MPH up a hill. I have not been able to verify the complaint, since the closest hill is 1/2 hour away from the shop. Power braking it does not produce the symptoms. Scope shows nothing, fuel pressure and volume good ...

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Message Closed w/FIX

car Vehicle Data

1991 Ford Explorer XL

VIN 1FMDU34X3M
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / MFI
EmissionsEEC-IV
SymptomsMisfire
OccursUnder Load
Message Closed w/FIX

car Vehicle Data

1991 Ford Explorer XL

VIN 1FMDU34X3M
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / MFI
EmissionsEEC-IV
SymptomsMisfire
OccursUnder Load