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2009 Mercedes-Benz E350 4Matic 3.5L MIL Lamp on
Posted to European Driveability on 2/12/2019 4 Replies

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...

4 Replies Received (View Replies)

  Related Documents & Media  2009 Mercedes-Benz E350 4Matic

 
Message Closed w/FIX

car Vehicle Data

2009 Mercedes-Benz E350 4Matic

VIN WDBUF87X89
Engine3.5 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0038Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Voltage
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P2195Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean
P2270Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Lean
P2271Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Rich
P2272Heated Oxygen Sensor (Bank 2 Sensor 2) Signal Stuck Lean
Message Closed w/FIX

car Vehicle Data

2009 Mercedes-Benz E350 4Matic

VIN WDBUF87X89
Engine3.5 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0038Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit High Voltage
P0141Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction
P2195Air Fuel Sensor (Bank 1 Sensor 1) Signal Stuck Lean
P2270Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Lean
P2271Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Stuck Rich
P2272Heated Oxygen Sensor (Bank 2 Sensor 2) Signal Stuck Lean