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  1. VW Jetta / Bora MKIV 1998 Euro,1999.5 US -2005
    Hi all, I have a 2002 vw 1.8 turbo jetta with 190,000. My car was doing fairly good until I added some of gas treatment stuff (I think STP). Since then, it has been a lot louder and sounds like its misfiring. And the engine light came on. The STP gas treatment may or may not done it ... IDK...
  2. VW Jetta MKIII 1991–1998
    My wife's '96 Jetta GL 2.0 has been having some problems lately. I think I've fixed part of the problem, but still having some power issues. At first, the car would stutter really bad. It wouldn't die, just seemed like it was gasping for air and wouldn't accelerate. Hooked it up to Vag-com...
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