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oxygen sensor

  1. FAQs
    2001 jetta...1st time I kept it outside overnight in the cold. Went to start it this morning, it started up but then died out after about 1-2 seconds. Tried 5 times, would not continue running. Finally I gave it some gas once it started and it continued to run. Once engine was warmed up it...
  2. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    Ok i really need some help. About a month and a half ago i got a CEL P0146 O2 Sensor circuit no activity detected bank 1 sensor 3. so after referring to my bentley i found out that my car has 3 O2 sensors and the one that is having the problem is the sensor located on top of the cat. so after...
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