89 gxl weird problem!!!
#1
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Join Date: May 2006
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89 gxl weird problem!!!
ok i have an 89 gxl. it starts fine, and while its cold it drives fine for about 2 minutes. then after that every time i give it gas it sounds like there if too much air or too little fuel. i replaced the afm, throttle position sensor, and the ecu and changed out the cat and muffler...... nothing. it idles fine and it drives ok if you keep it under 2-3000 rpms. anything over that it sounds horrible. backfires,loses power and just drives like pure ****. ohh and i checked the compression its fine also. my guess is a sensor of some kind... can anybody help me please post!!!!!!!!!!!!!!!!!!!!!!!!
#3
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clean your connections for your tps, also check your pressure sensor(by the intake on passenger side) clean its connectors too, if that dosent work then start checking for vac leaks.
#4
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ill try that... nay other suggestiong if that doesnt work?? i have been doing a little research and alot of people say it could have to do with fule cut out... i donno where to start with that....
#6
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That started happening with an s4 I bought this past fall. It was the TPS plug. Spray a little WD-40 or even brake fluid into the plug and then rapidly connect and disconnect it a few times to try to scrape off the metal. Doing that ended the problem for me on the spot.
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