Engine Self Revving Itself
03-26-2007, 10:23 AM
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Engine Self Revving Itself
My 92 civic si engine starts to rev up and down when you come to a complete stop, the problem only occurs when the temperature gauge hits half. Not sure if its the heat sensor or something else.
Any help would be appreciated.
Any help would be appreciated.
03-26-2007, 10:30 AM
#3
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Or search for "idle surge". 
Not all that uncommon, however, the cause usually is one of three things... IACV or FITV, as stated above, or a vacuum leak.
Not all that uncommon, however, the cause usually is one of three things... IACV or FITV, as stated above, or a vacuum leak.
03-26-2007, 11:28 AM
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Re: Engine Self Revving Itself (KanDaMan)
its the fast idle valve located under the throttle body take the cover off the back and screw the valve in a little it will fix the problem i have done this on a number of motors i have owned
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