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1999 Ford F-350 Super Duty Lariat 6.8L Misfire
Posted to Ford Driveability on 3/16/2007 6 Replies

This truck came in with multiple misfires due to moisture developing around the coil boots. Which we repaired but the confusing part was that it never set a misfire code. I later induced misfires multiple ways but never set a code. So I unplugged the MAF again...

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car Vehicle Data

1999 Ford F-350 Super Duty Lariat

VIN 1FTSW31S1X
Engine6.8 L / 10 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsNot OBD-II Compliant
SymptomsMisfire
OccursAlways
Misc.9900 Gvw
Message Closed

car Vehicle Data

1999 Ford F-350 Super Duty Lariat

VIN 1FTSW31S1X
Engine6.8 L / 10 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsNot OBD-II Compliant
SymptomsMisfire
OccursAlways
Misc.9900 Gvw