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Home >> Dodge and Ram >> 2021 >> ProMaster 2500 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 3.6L - DTCS P0139 To P0345 >> DTC Troubleshooting >> P0160-O2 Sensor 2/2 No Activity Detected >> Possible Causes
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Possible Causes

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

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

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