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P0137 Diagnostic Trouble Code Discussion for October 2011

Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0137
Help Request Posted
2006 Mitsubishi Endeavor LS 3.8L MIL Lamp on VIN: 4A4MN21S06
P0137: Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Low Voltage. Costumer took truck out mudding and got stuck and it appears some water got sucked in thru intake and broke a valve and piston so we installed a used engine upon start up truck ran very bad and set o2 codes immediatly we replaced 3 of the 4 o2 sensors (because...
October 19, 2011