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Home >> Jeep >> 2019 >> Compass Trailhawk >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 2.4L - DTCS B104D To P0171 >> DTC Troubleshooting >> P0140-O2 Sensor 1/2 Signal Inactive >> When Monitored

When Monitored

This diagnostic runs continuously when the following conditions are met: