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Home › Chrysler › 2018 › 300 C › Repair and Diagnosis › Engine Performance › System › 5.7L - DTCS P000B To P0197 › DTC Troubleshooting › P0139-O2 Sensor 1/2 Slow Response › Set Condition

Set Condition

If the Powertrain Control Module (PCM) does not detect a rich to lean switch within a specific time during a decel fuel shutoff event, the monitor will fail.