Question about 1998 Volkswagen Jetta

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I have a 1998 vw jetta that is bogging out about 2500 rmps. I have changed the MAF, fuel pump and fuel filter with no avail. Please help i am stuck.

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Just wrote this post and came across your problem i had some time ago , this will fix it . you can reset it by removing negative battery terminal while leaving positive terminal connected . open driver side door get in close door , put key in ignition turn over key almost all the way but do not start . you should here the throttle body aligning itself . leave key in this position for 15 seconds , remove key connect negative terminal and the throttle body should be set . this has been called the chicken dance and it works fine . what this does is resets the computer , key note though if you are planning to get your car inspected it will not pass until you have drove the car for at least 300 miles . being that the computer has to go through and set everything . i learned the hard way . throttle body problems usually happen when removing old battery improperly/battery being drained/improperly or jump starting the car/improperly , make sure when removing battery that the positive terminal is removed first , jumping a battery negative terminal is always connected first on both vehicles .

Posted on May 31, 2010

  • onthe_wayup Apr 05, 2011

    Whoever you are...you are the smartest SOB we have ever taken advice from. My 18 year old son bought a 99 GTI and it was bogging down. We replaced the Mass Air Flow Sensor, the throttle body, and a coil pack and got nowhere. We spent hours on forums trying to find someone that had had the same problem. Then we found you. Thank you so much for posting the solution that worked. We have had a Jetta that we loved and never had issues with. We have not had much experience with VWs and were not sure where to go or what to do. After much frustration and money your solution worked. Thanks again!

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Same problem just a week ago and it was caused by jumping the car due to a dead battery. Have someone reset the computer because the throttle position sensor is out of calibration.

Posted on May 21, 2010

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Possibly a jumped timing belt or clogged exhaust

Posted on May 06, 2010

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