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1999 Ford F550 7.3L Misfire
Posted to Ford Driveability on 7/30/2008 10 Replies

This truck will run of for about 1/4 mile then will loose power and start to miss. When it happens it will idle poor and will only limp back to shop 15 mph max. Injector buzz test sounds good. Injector balance test shows low contribution on cylinders 1,3, and ...

10 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1999 Ford F550

VIN 1FDAF56FXX
Engine7.3 L / 8 cyl
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot
Misc.Roll Back

Trouble Codes

1247Low boost Presure
1670EF Feedback circuit no signal
P0263Fuel Injector 1 Contribution / Balance
P0269Fuel Injector 3 Contribution / Balance
Message Closed w/FIX

car Vehicle Data

1999 Ford F550

VIN 1FDAF56FXX
Engine7.3 L / 8 cyl
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot
Misc.Roll Back

Trouble Codes

1247Low boost Presure
1670EF Feedback circuit no signal
P0263Fuel Injector 1 Contribution / Balance
P0269Fuel Injector 3 Contribution / Balance