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1999 Ford F-250 Super Duty Lariat 7.3L Poor Idle Quality, Misfire
Posted to Ford Driveability on 6/21/2011 9 Replies

Vehicle came in with a complaint of running rough at idle. Cylinders 1 and 8 contribution codes were in memory when vehicle arrived. Perform diagnostics found no aditional faults. Pass inlet restriction test and fuel psi test[75psi]. Pass buzz test and all inj...

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Message Closed w/Summary

car Vehicle Data

1999 Ford F-250 Super Duty Lariat

VIN 1FTNW21F3X
Engine7.3 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / DI TURBO DIESEL
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways, Idle

Trouble Codes

P0263Fuel Injector 1 Contribution / Balance
P0266Fuel Injector 2 Contribution / Balance
P0284Cylinder 8 Balance System Malfunction
Message Closed w/Summary

car Vehicle Data

1999 Ford F-250 Super Duty Lariat

VIN 1FTNW21F3X
Engine7.3 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / DI TURBO DIESEL
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursAlways, Idle

Trouble Codes

P0263Fuel Injector 1 Contribution / Balance
P0266Fuel Injector 2 Contribution / Balance
P0284Cylinder 8 Balance System Malfunction