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P0138 Diagnostic Trouble Code Discussion for March 2009

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


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Trouble Ticket Help Requests for DTC P0138
Help Request Posted
1997 Ford Ranger Splash 2.3L Excessive Emissions, MIL Lamp on VIN: 1FTCR10A3V
P0138: Front O2 heater circuit. ... (3rd gear ratio) Vehicle has very low mileage and mostly sits. They had recently replaced battery before this started. Cleared codes, road tested and P1121 and P1132 returned. Fuel mixtures...
March 13, 2009
1997 Ford Ranger Splash 2.3L Excessive Emissions, MIL Lamp on VIN: 1FTCR10A3V
P0138: Front O2 heater circuit. ... (3rd gear ratio) Vehicle has very low mileage and mostly sits. They had recently replaced battery before this started. Cleared codes, road tested and P1121 and P1132 returned. Fuel mixtures...
March 13, 2009