P2271 Diagnostic Trouble Code Discussion for January 2023
Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Biased Rich
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| Help Request | Posted | |
| 2013 Ford F-150 XL 3.7L No Start VIN: 1FTEX1CMXD P2271: B1s2 stuck rich. Truck was towed in, no start. oe spark plugs fouled. Replaced vehicle started- found clogged catalytic convertor -replaced convertors. started up has 02 sensors stuck rich codes. if vehicle sits overnight plugs will be fouled again on start up. Has new m.a... |
January 28, 2023 |
