P0138 Diagnostic Trouble Code Discussion for March 2009
Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit High Voltage
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| 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 |
