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P0139 Diagnostic Trouble Code Discussion for August 2013

Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response

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Trouble Ticket Help Requests for DTC P0139
Help Request Posted
2002 Nissan Quest SE 3.3L MIL Lamp on VIN: 4N2ZN16TX2
P0139: Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response. 2002 Nissan Quest Faults P0138/ P0139. O2 Sensor Bank 1 Sensor 2. Replace 226A0-7B503 Oxygen Sensor OE and OE 22680-7B001 Air Mass Sensor. No vacuum leak,all ignition system fine.Clear all faults drove the car for few days and after 300 miles same fault came b...
August 13, 2013