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1994 Ford Ranger STX 4.0L Preignition
Posted to Ford Driveability on 4/4/2001

customer complaint spark rattle under medium to hard acceleration. confirmed cust. complaint checked plugs and gap. checked coil output ok checked computer for codes nothing every thing tests ok,any ideas would be great. thanks Ron

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Message Closed w/FIX

car Vehicle Data

1994 Ford Ranger STX

VIN 1FTCR15X8R
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SEFI
EmissionsU.S. FED. emissions
SymptomsPreignition
OccursOn Accel
Misc.4X4 Ex Cab
Message Closed w/FIX

car Vehicle Data

1994 Ford Ranger STX

VIN 1FTCR15X8R
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SEFI
EmissionsU.S. FED. emissions
SymptomsPreignition
OccursOn Accel
Misc.4X4 Ex Cab