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P0141 Diagnostic Trouble Code Discussion for February 2019

Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Performance


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Trouble Ticket Help Requests for DTC P0141
Help Request Posted
2009 Mercedes-Benz E350 4Matic 3.5L MIL Lamp on VIN: WDBUF87X89
P0141: RR O2 Heater. 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
2006 Chevrolet Trailblazer LT 4.2L No Start VIN: 1GNDT13S66
P0141: Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Performance. Thank you everyone in advance. The car broke down on the side of the road. Was towed in with complaint about dying and no start. Verified the customers complaint. The truck would crank over but won't start. If you let the car sit overnight it will fire and...
February 18, 2019