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Home >> Jeep >> 2015 >> Cherokee Limited, 3.2L Eng VIN S, AWD, Automatic T/Case Control >> Repair and Diagnosis >> Engine Performance >> System >> 3.2L - DTCS B104D To P0141 >> DTC Troubleshooting >> P0139-O2 Sensor 1/2 Slow Response >> Possible Causes

Possible Causes

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

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