FixVault

Home › Jeep › 2021 › Cherokee Trailhawk › Repair and Diagnosis › Engine Performance › System › 3.2L - DTCS P0073 To P0298 › DTC Troubleshooting › P0159-O2 Sensor 2/2 Slow Response › Set Condition

Set Condition

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