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Old 08-29-2009, 09:53 AM   #1
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Default 2002 Cr-V Idle problem

Heres the situation, i have a 2002 crv lx. I just replaced the head and now the idle surges from 1200 to 2200 when in park and neutral. The coolant gauge is showing it over heating. Where do i bleed the air form the coolant system, and what could be the cause of the surging idle issue. Thanks in advance. let me know if you need any more information.

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Old 08-29-2009, 10:17 AM   #2
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Default Re: 2002 Cr-V Idle problem

The way i bleed coolant systems is I leave the radiator cap off and let the engine run for 15-20 min, and as it warms up you can see the bubbles start to come out. Ive done it this way every time and never had a problem. Your high idle looks like it could be a vacuum leak. Since you replaced your head, are you sure all your vacuum hoses are in the right place? Did you use a new intake manifold gasket when you reinstalled the intake manifold?

Why did you have to replace your head? Cuz i just bought a 02 crv and this post got me a little worried, cuz I know the 1st gen crvs had the problem with valves been burned and needing replacment.
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Old 08-29-2009, 10:21 AM   #3
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Default Re: 2002 Cr-V Idle problem

I used all new gaskets, and used some ether to seek out any vacuum leaks, no luck though. I will check again. The valve retaining washer broke in half, bent the valve. I would say just make sure your valves are adjusted. My friend said he heard a ticking sound from teh valvetrain before.

Thanks for the bleeding technique.

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Old 08-31-2009, 05:27 PM   #4
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Default Re: 2002 Cr-V Idle problem

I pulled the codes yesterday and they are p0505, p1077, p1505 and p1167. After a couple minutes of the high irratic idle, it goes into a short choppy irratic idle bouncing rapidly up and down a 300 rpm span. I checked for vacuum leaks and there are none. I have access to mitchell ondemand and i am trying to find some time to run some tests. What are the chances the IAC is faulty, and is it cleanable like other honda models?

Ke

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Old 10-27-2012, 06:06 AM   #5
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Default Re: 2002 Cr-V Idle problem

what resolved this as i have the same issues with my 2003 crv
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Old 11-10-2012, 06:55 AM   #6
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Default Re: 2002 Cr-V Idle problem

ok, I would like to help everyone else out.
1505 and 505 The IAC is likely sticking open and needs to be cleaned.
I sprayed carb cleaner in the opening and let it sit for a bit.
Then sprayed it after starting.
A couple tries and everything is running perfectly now.
If that doesn't work you likely have an issue with the IAC.
It is also likely causing the other codes.
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Old 01-06-2013, 04:54 PM   #7
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Default Re: 2002 Cr-V Idle problem

I had this situation on my accord, it was due to the Air Control Valve, sits behind the intake manifold
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