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Home › Fiat › 2021 › 500X Pop › Repair and Diagnosis › Engine Performance › System › 1.3L - DTCS P0121 To P02EE › DTC Troubleshooting › P0133-O2 Sensor 1/1 Slow Response › Set Condition

Set Condition

The Powertrain Control Module (PCM) detects that the Oxygen Sensor signal does not switch adequately during monitoring.