Join Now
International Automotive Technicians Network

P0139 Diagnostic Trouble Code Discussion for April 2005

Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0139
Help Request Posted
2001 Volkswagen Jetta GL 2.0L Excessive Emissions, MIL Lamp on VIN: 3VWR529M61
P0139: slow responce b1s2. ... for this problem. the first time sensor 1 was not switching. we replaced the front o2 sensor and all fuel trim values returned to normal and the o2 was switching properly. now the vehicle has returned with a p1128 as a cur...
April 04, 2005
2001 Volkswagen Jetta GL 2.0L Excessive Emissions, MIL Lamp on VIN: 3VWR529M61
P0139: slow responce b1s2. ... for this problem. the first time sensor 1 was not switching. we replaced the front o2 sensor and all fuel trim values returned to normal and the o2 was switching properly. now the vehicle has returned with a p1128 as a cur...
April 04, 2005