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P1272 Diagnostic Trouble Code Discussion for April 2010

Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity


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Trouble Ticket Help Requests for DTC P1272
Help Request Posted
2001 Ford F-250 Super Duty XLT 7.3L Misfire VIN: 1FTNW21F21
P1272: Cylinder 2 - High To Low Side Open Detected. ... #2. Buzz test confirmed a quieter than normal injector on #2. We replaced it with a used (tested) injector from a wrecking yard. The misfire now only occurs when cold, but go's away when warmed up now. Since the problem is slightly different I suspect we r...
April 19, 2010
2001 Ford F-250 Super Duty XLT 7.3L Misfire VIN: 1FTNW21F21
P1272: Cylinder 2 - High To Low Side Open Detected. ... #2. Buzz test confirmed a quieter than normal injector on #2. We replaced it with a used (tested) injector from a wrecking yard. The misfire now only occurs when cold, but go's away when warmed up now. Since the problem is slightly different I suspect we r...
April 20, 2010
2001 Ford F-250 Super Duty XLT 7.3L Misfire VIN: 1FTNW21F21
P1272: Cylinder 2 - High To Low Side Open Detected. ... #2. Buzz test confirmed a quieter than normal injector on #2. We replaced it with a used (tested) injector from a wrecking yard. The misfire now only occurs when cold, but go's away when warmed up now. Since the problem is slightly different I suspect we r...
April 19, 2010
2001 Ford F-250 Super Duty XLT 7.3L Misfire VIN: 1FTNW21F21
P1272: Cylinder 2 - High To Low Side Open Detected. ... #2. Buzz test confirmed a quieter than normal injector on #2. We replaced it with a used (tested) injector from a wrecking yard. The misfire now only occurs when cold, but go's away when warmed up now. Since the problem is slightly different I suspect we r...
April 20, 2010