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1999 Ford F-550 Super Duty XL 6.8L Misfire, Poor Fuel Economy, MIL Lamp on
Posted to Ford Driveability on 11/16/2006 10 Replies

Hi guys this is my first post, so Ill try to make this quick and to the point. This truck has allways had a slight miss to it, kinda like a lean miss (pop pop) at idle. Well this week it started missing going up hills. the computer shows a missfire at number 8...

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  Related Documents & Media  1999 Ford F-550 Super Duty XL

 
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car Vehicle Data

1999 Ford F-550 Super Duty XL

VIN [No VIN Available]
Engine6.8 L / 10 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, Poor Fuel Economy, MIL Lamp On
OccursHot, Under Load
Misc.Tow Truck
Message Closed

car Vehicle Data

1999 Ford F-550 Super Duty XL

VIN [No VIN Available]
Engine6.8 L / 10 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire, Poor Fuel Economy, MIL Lamp On
OccursHot, Under Load
Misc.Tow Truck