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2009 Mercedes-Benz E350 4Matic 3.5L MIL Lamp on
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...
FIX posted 3/27/2019
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Message Closed w/FIX
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4 Replies Received
4 Replies Received
Related Documents & Media | VIN | WDBUF87X89 |
| Engine | 3.5 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0038 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Voltage |
| P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction |
| P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean |
| P2270 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Lean |
| P2271 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Rich |
| P2272 | Heated Oxygen Sensor (Bank 2 Sensor 2) Signal Stuck Lean |
Message Closed w/FIX
Vehicle Data
2009 Mercedes-Benz E350 4Matic
| VIN | WDBUF87X89 |
| Engine | 3.5 L / 6 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
Trouble Codes
| P0038 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Voltage |
| P0141 | Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction |
| P2195 | Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean |
| P2270 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Lean |
| P2271 | Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Rich |
| P2272 | Heated Oxygen Sensor (Bank 2 Sensor 2) Signal Stuck Lean |
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