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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1295 (2.4L - DTCS C0061 To P0303) >> DTC Troubleshooting >> P0140-O2 Sensor 1/2 Signal Inactive >> Possible Causes

Possible Causes

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Possible Causes
EXHAUST LEAK
O2 SENSOR 1/2 SIGNAL CIRCUIT
O2 SENSOR 1/2 RETURN CIRCUIT
O2 SENSOR

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .