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Car rev fluctuates when idling, HELP!!!

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Old 02-10-2007, 12:54 PM
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Default Car rev fluctuates when idling, HELP!!!

My car will fluctuate rev while idleing, it revs up and down, up and down, WTF is this?? It only does it when I an sitting at idle.??? Help!!
Old 02-10-2007, 01:23 PM
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Default Re: Car rev fluctuates when idling, HELP!!! (GREENMOB$TER)

Unless it is the fan switching on and off, It is most likely the Ignitor coil in your distributor. If you have the manual you can check it with a multimeter, or if you have a friend with an Integra you could switch the coils and see if it fixes it.

I think new ones are around $130, but I'm not sure.
Old 02-10-2007, 04:06 PM
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i was reading some articles on TI.net and came across the IAC possibly being dirty and can cause fluctuations in idle.
Old 02-10-2007, 05:04 PM
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how much in rpm is the fluctuation?
Old 02-10-2007, 05:42 PM
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Default Re: (RS'R')

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by silentdeath12886 &raquo;</TD></TR><TR><TD CLASS="quote">i was reading some articles on TI.net and came across the IAC possibly being dirty and can cause fluctuations in idle.</TD></TR></TABLE>

yeah. my car used to do the same thing ....but it was the fast idle thermo valve, but just found out my iac valve is bad....

i would check out the

iac

and the

fast idle thermo valve..
Old 02-10-2007, 06:38 PM
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Default Re: Car rev fluctuates when idling, HELP!!! (GREENMOB$TER)

are u throwin anycodes? do u have a vaccum leak? how is your idle air control valve?
Old 02-11-2007, 06:10 AM
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Default Re: (RS'R')

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by RS’R’ &raquo;</TD></TR><TR><TD CLASS="quote">how much in rpm is the fluctuation? </TD></TR></TABLE>

It fluxuates from below 1000 (normal idle), the whole way to 2k.
Old 02-11-2007, 06:28 AM
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Default Re: Car rev fluctuates when idling, HELP!!! (jikespingleton)

IACV; clean it and change your PCV Valve
Old 02-11-2007, 11:17 AM
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idle control valve.......thats what mine was doing and it came out to be that.......now its fine
Old 02-11-2007, 01:16 PM
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Default Re: Car rev fluctuates when idling, HELP!!! (GREENMOB$TER)

its a vacum leak !
Old 02-11-2007, 04:14 PM
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Default Re: Car rev fluctuates when idling, HELP!!! (ruskipunker)

its ur iacv. clean it out with some simple green and youll be good to go. buyin one will set u back about 250.
Old 02-11-2007, 04:20 PM
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Default Re: Car rev fluctuates when idling, HELP!!! (GREENMOB$TER)

Don't want to thread jack, but my car is doing the exact same thing and I just cleaned my IACV with no improvement. Any thing else it could possibly be if he does that and it is unsuccessful?
Old 02-12-2007, 05:57 PM
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Default Re: Car rev fluctuates when idling, HELP!!! (93JDMB18C)

no cels?
Old 02-13-2007, 07:08 AM
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Default Re: Car rev fluctuates when idling, HELP!!! (jikespingleton)

TPS can also cause this problem...it's what my car is doing right now due to a bad tps
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