random surge...

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91beatuphatch
Posts: 484
Joined: Wed Aug 18, 2010 1:15 am

random surge...

Post by 91beatuphatch »

okay so here within the last week or so my car has had a random idle fluctuation. it doesnt do it all the time. itll just be idling and itll rev up and down similar to iacv being bad but not as serious of a jump. only about 400-500 rpm either way. ive checked for vac leaks and found nothing.


90 crx hf - z6 swap
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gcef89
Posts: 481
Joined: Sat Apr 09, 2011 4:54 am

random surge...

Post by gcef89 »

my crx does the same thing and was really bad, so i cleaned the old iacv and still same thing so i got a differ one and it still does it just not as bad try cleaning ur iacv with cleaner
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G0VTCH33ZE
Posts: 82
Joined: Mon Feb 28, 2011 7:45 pm

random surge...

Post by G0VTCH33ZE »

Mine does the same thing at completely random times, I've noticed it does it a little more often in the colder weather. Haven't cared to diagnose it yet though, I'd do what gcef89 mentioned & start from there.
There are cars that take you from point A to point B, and then there are cars that eat your family, worship Satan, and purposefully transmit STDs.
95 S14-94 Civic-95 Civic LS-T
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JustRob
Posts: 7884
Joined: Sat Nov 18, 2006 7:28 pm

random surge...

Post by JustRob »

Do this.

http://honda-tech.com/showthread.php?t=1844067

Recheck all hoses, connections and coolant level. Then reset the idle speed.