P2198 Diagnostic Trouble Code Discussion for May 2025
Heated Oxygen Sensor (Bank 2 Sensor 1) Stuck Rich
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| Help Request | Posted | |
| 2015 Ford F-150 XLT 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Poor Fuel Economy VIN: 1FTEX1CP7F P2198: . Runs very rich, had no upstream O2 response. replaced O2 sensors, got response then started running Very rich again. Checked all sensors, within range except fuel trims would not change, even after introducing large vacuum leak. |
May 21, 2025 | |
| 2015 Ford F-150 XLT 2.7L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Poor Fuel Economy VIN: 1FTEX1CP7F P2198: . Runs very rich, had no upstream O2 response. replaced O2 sensors, got response then started running Very rich again. Checked all sensors, within range except fuel trims would not change, even after introducing large vacuum leak. |
May 22, 2025 |
