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RPM problems??

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dsm1103

10+ Year Contributor
31
0
Jan 4, 2012
medina, Ohio
Alright guys so I have another question for all of you.

When coming to a stop in my 99 gs its acts like it wants to stall and sometimes it does stall. I'll be in 3rd slowing down, push in the clutch (all the way to the floor), throw it in neutral and most the time the RPM will drop to almost zero (makes the motor chug and the dash lights to dim) then it quickly jumps back up to 1k-1200 RPM, then will idle. Sometimes the car will die and I will turn the key back and start it back up and it starts right up, no hesitation. The car idles fine, it barely fluctuates, it drives fine, I don't understand. I have found a way to keep it from dropping in RPM when I push the clutch in and that is too give it a little rev. I have cleaned the throttle body and after i did that it seemed to be better but that only lasted for a week or so. I have recently checked the throttle body again and its still clean. Does any one have any ideas on what this could be?
 
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