P1272 Diagnostic Trouble Code Discussion for October 2010
Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity
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| Help Request | Posted | |
| 1997 Ford F Super Duty 7.3L Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy VIN: 3FELF47FXV P1272: Cylinder 2 - High To Low Side Open Detected. Truck came in with a power problem rev's up fine to 2200 then from 2200 to 2900 it smokes vary badly and hesitates then from 2900 on it rev's up fast. Has good hpop pressure 625 IDLE 2495 WOT. Tested exhaust back pressure tube had a little carbon but not clogg... |
October 20, 2010 | |
| 1997 Ford F Super Duty 7.3L Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy VIN: 3FELF47FXV P1272: Cylinder 2 - High To Low Side Open Detected. Truck came in with a power problem rev's up fine to 2200 then from 2200 to 2900 it smokes vary badly and hesitates then from 2900 on it rev's up fast. Has good hpop pressure 625 IDLE 2495 WOT. Tested exhaust back pressure tube had a little carbon but not clogg... |
October 21, 2010 |
