P2195 Diagnostic Trouble Code Discussion for February 2019
Heated Oxygen Sensor (Bank 1 Sensor 1) Stuck Lean
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| Help Request | Posted | |
| 2009 Mercedes-Benz E350 4Matic 3.5L MIL Lamp on VIN: WDBUF87X89 P2195: RF O2 Lean. I've been struggling with this one for a couple of months. This check engine light will pop on every couple of weeks. I thought the heater codes were straight forward. I tested the resistance in both rear O2 heaters and they were both open so I replaced th... |
February 12, 2019 |
