P2198 Diagnostic Trouble Code Discussion for March 2023
Heated Oxygen Sensor (Bank 2 Sensor 1) Stuck Rich
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| Help Request | Posted | |
| 2011 BMW 750i xDrive 4.4L Excessive Emissions, MIL Lamp on VIN: WBAKC6C51B P2198: O2 signal biased/stuck rich bank 2 sensor 1. ... were p2196, p2198, p2096, replaced both upstream O2S,vehicle came back with in a week with same codes, short term fuel trims -10/-15, long term fuel trims are -14, engine oil not thin or fuel smell, purge valve when block... |
March 30, 2023 |
