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  1. 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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