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P0139 Diagnostic Trouble Code Discussion for April 2010

Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response

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Trouble Ticket Help Requests for DTC P0139
Help Request Posted
2000 Volkswagen Beetle GLX 1.8L Excessive Emissions, MIL Lamp on VIN: 3VWDD21C2Y
P0139: O2 sensor slow response.bank1sensor2. ... have a car come to my shop for a smog check and has a high emission on the NOX and the engine light is on. The Fault Code is P0139 and P1127, I recently changed the O2 sensor after the CAT. Then I cleared the memory and test drived the car again and the ch...
April 06, 2010