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acceleration problem

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Old 05-04-05, 06:40 PM
  #1  
car ate 3 10mms last week

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Unhappy acceleration problem

i recently bought a 90 n/a as is . whene i start it up it runs fine exept for a few pops but whene it gets to normal running temp it kinda stalls whene you accelerate , it acts like preignition but not sure i changed fuel filter spark plugs and all belts nothing helped so i tried taking off the air filter to see if it preformed different whene i reved it up via the trhrottle body it still did it but whene the "stalling "{calling it that for lack of a better term } occourd a tremendous amount of noise came out of the intake just wondering if anyone knows what im talking about and what to do about it
Old 05-04-05, 07:08 PM
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maybe you have a faulty AFM or you mihgt need to adjust the Throttle position sensor. I know i adjusted mine one time and it solved the problem.
Old 05-04-05, 07:16 PM
  #3  
car ate 3 10mms last week

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afm worked fine like two weeks ago everything worked fine two weeks ago then i let it sit for a lil over a week thats whene it started

and how do i ajust the throtle pos sencor?
Old 05-04-05, 09:31 PM
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Eats, Sleeps, Dreams Rotary

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Regarding the TPS, to test it go to page 169 in your Haynes manual (if you don't have one, buy one, you need it).

To test/adjust: http://fc3spro.com/TECH/HOWTO/TPS/tps.html
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