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P0051 Diagnostic Trouble Code Discussion for August 2024

Air Fuel Sensor (Bank 2 Sensor 1) Heater Control Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P0051
Help Request Posted
2010 GMC Acadia SLT 3.6L Poor Idle Quality VIN: 1GKLVNED3A
P0051: HO2S Heater Control Circuit Low Voltage Bank 2 Sensor 1. Hello everyone, Happy Friday. I got this Acadia that's kicking but butt. The thing is that the solution may be staring right at me but I don't seem to see it. This vehicle has no power at all as if the VVT's are not working or it jumped the timing chain...
August 16, 2024