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P1137 Diagnostic Trouble Code Discussion for May 2006

Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Low Voltage During Power Enrichment

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Trouble Ticket Help Requests for DTC P1137
Help Request Posted
2002 Subaru Forester L 2.5L MIL Lamp on VIN: JF1SF63592
P1137: Air Fuel Sensor (Bank 1 Sensor 1) Circuit Malfunction. second time in for same codes in 2 months. B1S1 is an AFRS. Alldata gives scan tool info based on the factory scan tool. When Ricky asked me to come over to help, I noticed a 12 volt 50% square wave on the wire at the AFRS he was testing. I've concluded he had...
May 31, 2006