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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 / Bora MKIV 1998 Euro,1999.5 US -2005
    So I've been without a scanner for the last two months or so, and having the cel on for that long, I've been getting used to it. But I got my new scanner today, and immediately plugged it in to see what they were. P0171 - Engine running too lean P0507- throttle control reading rpms higher than...
    I created a PDF on how to fix your leaky Air pump No more buying a expensive ass pump for no reason
  4. Jetta Troubleshooting
    Hi everyone. I'm New to this forum. Today I built a DIY smoke machine to find the air leak on my 2008 VW Jetta 2.0. I was successful in finding a leak but dont know what part this is or how to go about fixing it. I'm guessing it's an "o" ring or something like that under the circular cap in...
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