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2005 Ford F-350 Super Duty King Ranch 6.0L Misfire
Posted to Ford Driveability on 4/13/2026 3 Replies

Truck came in for misfire/stumble at idle. Test drives runs great and no misfire. power balance test shows #5 cyl. drops out randomly. Can idle for 1/2 hour without a miss. then have a miss or several. No codes. miss is sharp and abrupt. Any ideas would be...

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car Vehicle Data

2005 Ford F-350 Super Duty King Ranch

VIN 1FTWW31P75
Engine6.0 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle, Intermittently
Open Help Request

car Vehicle Data

2005 Ford F-350 Super Duty King Ranch

VIN 1FTWW31P75
Engine6.0 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIdle, Intermittently