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Old 07-02-2008, 08:43 PM   #1
manu06
EOC Rank: Hydrogen
 
Join Date: Oct 2004
Posts: 37
Idle control valve

I think I need to clean or replace my idle control valve. When I start my
Element it idles around 500-600 rpm. With the A/C on it idles a little higher.
It has been stalling out at intersections and when I turn. I got a code P0172
which indicated the fuel mixture was too rich. Where is the ICV located ? I assume on the throttle body. Does anyone have a picture of one ?
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Old 12-05-2008, 03:12 AM   #2
barrel
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2003 2WD DX MT
Eternal Blue Pearl (EBP)
 
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Location: I used too live in central Oahu.
Posts: 5
idle air control valve

Does any one with a 2003 DX 2WD manual transmission have or had problems with the engine RPM's fluctuating concerning the idler air control valve? I got about 114,000 miles on my E. Any one tried cleaning the IACV? Much Mahalo's for feed back!
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Old 12-18-2008, 03:24 PM   #3
reedkantor
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Cool idle air controller out at 39,000

a very unusual part failure....car started stalling a few times and managed to restart it and get it to pompano honda here in south fla. a part they said was "like the old carburetor" went and had to special order it...called an idle air contoller, cost $100 bucks plus over 200 in labor. go figure....otherwise nothing else has gone wrong since i bought it in oct. of 2004.
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Old 12-18-2008, 08:41 PM   #4
josh302
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2003 2WD EX AT
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Location: sugarland, tx
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was your engine light on? did it come on at all?
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Old 12-22-2008, 03:09 PM   #5
reedkantor
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idle air controller

yes, the light came on when the car started stalling all of a sudden. i got it started and then it stopped and started a few more times and i finally got to the dealer, who was very close.....
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Old 08-07-2009, 11:57 AM   #6
RdE_Rnr
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2003 2WD EX AT
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Location: Ontario, SoCal
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Idle Control Valve Replacement Help!!!

Okay, Car won't start this morning, first I thought it was the Battery but isn't, finally got started but noticing low Idle, usually at 1300 rpm and comes down in few mins. 2 strong suggested mechanics states ICV now, my questions/help needs, I got the parts from Honda Dealer...does anybody have a pics suggestions on how to replace it or have done it? I know it's under the throttle body, is it simple as taking the 2 cross screws and wire harness? Plug and play? Any help would much so appreciated.
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Old 08-08-2009, 08:51 PM   #7
RdE_Rnr
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Idle Control Valve

bump!!!..................do i need to take the whole Throttle Body to just replace the ICV only? and if any reset thing to do later when done?
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Old 08-10-2009, 10:41 AM   #8
ramblerdan
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Prior8t2000 has posted a throttle-body DIY that might be helpful.
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Old 10-27-2010, 05:05 PM   #9
Bandicoot
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2004 4WD EX MT
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Erratic idle - SOLVED!

Long time reader, first time poster.

In any case, the past few days, my 2004 Element MT with 107k miles had erratic idle. The idle would hunt from 1k-3k, and sometimes pulse at 1k-1.5k. Driving was a pain as off throttle or lo throttle, the car would jerk from the pulsing.

Codes that were thrown were P0507 and P2279. I read in a few posts here that it's likely a vacuum leak (didn't find any) or a dirty IACV and cleaning it would help. Well, I cleaned mine THOROUGHLY twice. It would spin, but still just barely, just barely, stick at some points in the revolution. Anyone less anal would think it'd be fine. However, that didn't solve the problem.

The actual IACV P0511 code never showed up. So, I was skeptical about replacing the IACV. However, lo and behold, after replacing the IACV (and becoming $128 poorer) and letting the idle relearn itself, everything is now butter. Oh, replacing the throttle body gasket at the same time isn't a bad idea either ($4).

YMMV, but I thought I'd post this to show an actual solution to a seemingly common problem.
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Old 10-27-2010, 07:32 PM   #10
ramblerdan
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Thanks for that, Bandicoot, and welcome.

Just to be clear, the idle air control valve is what Honda calls "valve set, rotary air control," p/n 16022-RAA-A01?


Throttle body gasket: Honda p/n 16176-RAA-A01
P0506: Idle control system RPM lower than expected
P0507: Idle control system RPM higher than expected
P0511: Idle air control system RPM higher than expected
P2279: Intake air system leak detected

Last edited by ramblerdan; 10-27-2010 at 07:40 PM.
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