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P0139 Diagnostic Trouble Code Discussion for September 2009

Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response

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Trouble Ticket Help Requests for DTC P0139
Help Request Posted
2001 Volkswagen Jetta GL 2.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 3VWSK69M61
P0139: oxygen sensor b1 s2 response too slow. vw tech, please help. this is a really tough one. car came in with a check engine light and epc light on, also loss power, jerk and cut off at idle. replace a lot of parts, still not able [...] do next. did i miss something simple here. any advice will be very...
September 15, 2009