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2001 Ford F-250 Super Duty Lariat 7.3L Misfire
Posted to Ford Driveability on 9/8/2008 10 Replies

Retrieved codes P1271 and P1275. Engine is definately misfiring. I followed pinpoint tests and have come down to IDM fault. I checked connector at valve cover and is little melted at glow plug terminal but checked resistance on circuit 555 and 559 to circuit 1...

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  Related Documents & Media  2001 Ford F-250 Super Duty Lariat

 
Message Closed w/FIX

car Vehicle Data

2001 Ford F-250 Super Duty Lariat

VIN 1FTNX21F21
Engine7.3 L / 8 cyl / DIESEL
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P1271Accelerator Pedal Position Sensor 1-2 Correlation
P1275A/C Clutch Control Circuit 2 Over Current (TIPM)
Message Closed w/FIX

car Vehicle Data

2001 Ford F-250 Super Duty Lariat

VIN 1FTNX21F21
Engine7.3 L / 8 cyl / DIESEL
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P1271Accelerator Pedal Position Sensor 1-2 Correlation
P1275A/C Clutch Control Circuit 2 Over Current (TIPM)