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1993 Ford Ranger STX 4.0L Detonation/No Pwr
Posted to Ford Driveability on 3/30/2000

Hello all, please help, this one has a spark knock/detonation under moderate accel. It is not as bad with higher octane, but still noticable. There is also a loss of power past 3/4 throttle. After long run times the TCC will not engage, have to reset compu...

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Message Closed w/FIX

car Vehicle Data

1993 Ford Ranger STX

VIN 1FTCR15XRP
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsNot OBD-II Compliant
SymptomsDetonation/No Pwr
OccursCold, Hot, on Accel
Message Closed w/FIX

car Vehicle Data

1993 Ford Ranger STX

VIN 1FTCR15XRP
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsNot OBD-II Compliant
SymptomsDetonation/No Pwr
OccursCold, Hot, on Accel