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Old 05-28-2012, 10:48 AM   #26
cosseywrx
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Been done guy. Thnx tho. Ive done all these other ideas
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Old 05-28-2012, 11:19 AM   #27
2gnt2wrx
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When I cleaned my iacv the old way before my writeup it didn't work even after doing it twice.
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Old 07-03-2012, 10:08 PM   #28
Strider327
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Mine goes to 1k sometimes slightly over at around 1200 at most. It is definitely reflected on during hot days only. Cold days, no worries.
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Old 09-03-2012, 01:56 AM   #29
GingerBugEye
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this worked on my stock 04 and my tuned 02
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Old 04-25-2013, 10:12 PM   #30
dogbert
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bumping an old thread.

Fixes for this issue?

I have had my CC cable disconnected for some time but would like to actually fix this issue, I cut up a sheet metal heat shield for the CC unit itself as an extra shield from turbo heat but this did not resolve. Anyone have any decent fixes for this aside from pulling the cable off. In my case at least you cant loosen the cable enough to fix it on a warm day.

Only started when I went stage 2 with a tbe, its heat wrapped and I have the factory heat shield although modded to fit the larger dp.)
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Old 04-25-2013, 11:28 PM   #31
wrx1392
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my 2003 has been doing this ...i thought it was programed into the Cobb 2 reflash.....but come to think of it i removed the heat shield just before the reflash. mine only does this when in stop and go traffic .going to adj the cable .thanks guys .
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Old 05-02-2013, 08:53 PM   #32
wrx1392
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made the cruise control adj ....and what do you know while in traffic the idle stay normal the whole time ...thanks for the tips guys.
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Old 06-04-2013, 10:05 PM   #33
squeekzilla
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Alright, Iv'e totally removed my cruise control. I loosened my throttle cable. I cleaned the IACV and replaced the gasket. My car still idles at 4.5k RPM in hot weather only. Right as it cools off at night, I have no idle issues. any help?
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Old 06-09-2013, 06:38 PM   #34
allfours
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Quote:
Originally Posted by squeekzilla View Post
Alright, Iv'e totally removed my cruise control. I loosened my throttle cable. I cleaned the IACV and replaced the gasket. My car still idles at 4.5k RPM in hot weather only. Right as it cools off at night, I have no idle issues. any help?
I had the same issue today, I adjusted both cables last winter and its been fine since. Today I was idling for a long time and it started idling very high 3.5k max. I then noticed my coolant temp gauge in dash was much lower than it usually is at operating temp. Seems odd, I am going to have to assume its a coolant temp sensor issue giving false readings causing the issue..? Anyone have any experience with this?

Last edited by allfours; 06-09-2013 at 08:08 PM.
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Old 06-09-2013, 06:52 PM   #35
cosseywrx
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Mine does all the same things. Hot days only
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Old 06-11-2013, 06:06 PM   #36
boyurlazy
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As everyone stated the cruise cable expands from the heat and for some reason makes idle go up. Just detach the cruise cable and you will be good. Dealer clip recall didn't work for me or my friend. We both detached the cruise cable and never had this problem again.
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Old 06-14-2013, 11:20 PM   #37
captshiner
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Quote:
Originally Posted by allfours View Post
I had the same issue today, I adjusted both cables last winter and its been fine since. Today I was idling for a long time and it started idling very high 3.5k max. I then noticed my coolant temp gauge in dash was much lower than it usually is at operating temp. Seems odd, I am going to have to assume its a coolant temp sensor issue giving false readings causing the issue..? Anyone have any experience with this?
I believe that the gauge and the computer run off of two separate sensors, and the failure of both would be highly unlikely. I would be looking into other issues like the IAC, and TPS, or any other component that could effect idle speed.

My issue was in an '05 Saabaru 9-2x. I have been experiencing the same hot weather idle climb. Eventually, I got back to my garage while it was still happening and check the CC cable; sure enough, it was tighter than it ought to be. Grabbing a 12mm wrench and loosening the cable solved it instantly.
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Old 06-15-2013, 12:30 AM   #38
wrx1392
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just loosen the cruise cable(put some slack in it) ...no need to disconnect it ,mine is still working well no more high idle
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Old 06-15-2013, 07:03 AM   #39
allfours
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Quote:
Originally Posted by captshiner View Post
I believe that the gauge and the computer run off of two separate sensors, and the failure of both would be highly unlikely. I would be looking into other issues like the IAC, and TPS, or any other component that could effect idle speed.

My issue was in an '05 Saabaru 9-2x. I have been experiencing the same hot weather idle climb. Eventually, I got back to my garage while it was still happening and check the CC cable; sure enough, it was tighter than it ought to be. Grabbing a 12mm wrench and loosening the cable solved it instantly.
Thanks for that information, I am going to just keep a wrench in my car and adjust it the next time it happens.
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Old 06-15-2013, 12:18 PM   #40
captshiner
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Just make sure you're loosening the cable, and not tightening it. Seems obvious, I know, but you want to bring both nuts closer to the front of the vehicle. Moving them toward the firewall tightens it.
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Old 07-16-2013, 09:13 AM   #41
Volks826
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I have a impreza rs non turbo and mine does the same exact thing, i know you guys were saying that this happens from the turbo getting hot, could this happen to mine even though i don't have the turbo?
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Old 07-24-2013, 09:07 AM   #42
2005wrxowner1
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when its hot, mine gets really high. i drove last nite, no problem. hot days, problem.
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Old 06-28-2015, 09:47 PM   #43
ritzie
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in my 04 wrx after sitting at idle for a bit my rpms raise to over 2 and takes awhile after driving for to return to normal but now I'll go and it stays around 4 for a sec or so then only lowers to about 2 not sure what causing it any suggestions
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Old 06-29-2015, 08:38 PM   #44
danger1138
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Quote:
Originally Posted by ritzie View Post
in my 04 wrx after sitting at idle for a bit my rpms raise to over 2 and takes awhile after driving for to return to normal but now I'll go and it stays around 4 for a sec or so then only lowers to about 2 not sure what causing it any suggestions

Its the cruise control cable. Search. Its a known issue when the summer hits and car gets overly hot. Just loosen the nut on the cruise control cable. Simple fix.
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Old 07-24-2015, 07:29 PM   #45
ritzie
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awesome did exactly that completely fixed the issue
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Old 07-27-2015, 06:38 PM   #46
Trentond123
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How do you adjust the throttle and cruise control cable?
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Old 07-28-2015, 07:43 PM   #47
danger1138
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Default 2004 WRX hanging/high idle issue

You just adjust the cruise cable not throttle cable.

There is a nut where the rubber portion of the lines begin, smack dab in the middle top portion of intake manifold.

Just loosen the back nut on the cruise cable all the way so that there will be more slack on the line.
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