P1272 Diagnostic Trouble Code Discussion for April 2010
Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity
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| 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 |
