Hey again. I have been searching for an answer to my problem. i have a 86 325 es with a m20b25 in it. The car seems to be idling much better now but when im driving the car and i let off the throttle completely and then push it back down the car seems to spit or sputter for about a split sec then is fine. This is not the case when i let off the throttle slightly then push back down. Could this be a badly adjusted TPS? i tested the tps and have 0 resistance when the throttle is closed, infinite resistance at 1/3 throttle when neither the idle switch or wide open switch is engaged and 0 resistance at wide open. I thought this was the correct way to have it adjusted? Any one have any ideas feel free to share.
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Badly adjusted TPS
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Originally posted by jlevie View PostIt sounds like the TPS is correctly adjusted. The behavior described could be a sticky ICV or from intake leaks. The ICV can be removed and cleaned with carb cleaner and a smoke test will find any intake leaks.
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Originally posted by buguhrich View PostHow are you able to drive it at all with the TPS unplugged? I'd imagine it would just buck back and forth due to a lack of fuel.
And like jlevie said, check for intake leaks with a smoke test.
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Originally posted by buguhrich View PostHow are you able to drive it at all with the TPS unplugged? I'd imagine it would just buck back and forth due to a lack of fuel.
And like jlevie said, check for intake leaks with a smoke test.Seat Shocks....I have passed the baton to John Christy from Ninestitch. Email John or Garrett at ninestitch1@gmail.com
https://www.r3vlimited.com/board/sho...86#post4944786
Alice the Time Capsule
http://www.r3vlimited.com/board/showthread.php?t=360504
87 Zinno Cabrio barn find 98k and still smells like a barn. Build thread http://www.r3vlimited.com/board/show...20#post3455220
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Originally posted by jlevie View PostIt sounds like the TPS is correctly adjusted. The behavior described could be a sticky ICV or from intake leaks. The ICV can be removed and cleaned with carb cleaner and a smoke test will find any intake leaks.Victor
Rides...
E30 325i - 1990
F30 328i - 2014 (DD)
F25 X3 - 2016 (Family car)
1974 - 2002 (The ruler of the stable) SOLD
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Originally posted by Victor_PR View PostI had a similar problem with my car. The TPS was adjusted but I still experienced the "jerking" when releasing the throttle. It happened to be a faulty AFM. I replaced it and problem was solved.
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