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Old 20 Oct 2009, 08:46 pm
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Default I have a 1995 gsr b18c1 the rpms keep jumping?

The car is a five speed. turbo charged with 400hp. when i start it up the rpms jump from 3500 to 1500 and it will do this at idle and when rolling up to a light. It used to do it till it warmed up but now it does it all the time? please help!
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Old 20 Oct 2009, 09:46 pm
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Join Date: Oct 2009
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i have the same problem on my acura integra 94 B18b engine. i went to the dealer and asked them about it, they told me it MIGHT be the ECS "Electrical Control Sensor". But this sensor will cost at least $200 online and $290 from the dealer. i guess we are in the same problem with no solution. Good Luck

By the way i found the website that might be helpful:

1994 civic - engine revving itself in neutral
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Old 20 Oct 2009, 10:01 pm
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Join Date: Oct 2009
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My car is turbo and it used do the same thing, Clean your IACV and FITV. You probably have a small leak somewhere, check your lines, manifold and tubing. Most turbo cars above 350hp get some sort of funny idle. Examine your radiator for bubbles. Hit me up if you want more help.
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