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Home >> Dodge and Ram >> 2012 >> Caliber SXT Plus, Automatic CVT Trans >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P000A To P0302 >> Diagnosis And Testing >> P0139-O2 Sensor 1/2 Slow Response >> Set Condition:

Set Condition:

The O2 signal voltage does not switch quickly enough from rich to lean when the fuel is turned off during a coast with the throttle closed. Two Trip Fault. Three good trips to turn off the MIL.