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P0139 Diagnostic Trouble Code Discussion for November 2008

Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response

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Trouble Ticket Help Requests for DTC P0139
Help Request Posted
2003 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSE69M93
P0139: o2 sensor circuit slow response B1 S2. I need some help on this 2003 Jetta. The vehicle came in with check engine light.4 different codes related with o2 sensor circuit.While I'm checkig the sensor circuit, I found full of oil at both up stream and down stream o2 sensor connectors,caused signal los...
November 04, 2008