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Old Apr 15, 2012 | 12:33 AM
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Post common honda sickness

wassup guys i just want to know what are the common honda sickness i currently have a 1995 honda civic D15B7 1.5 L4 and the thing is that my idle jumps when the motor is hot or constantly running but as for a cold start warming up its good i heard alot of people saying its my iac valve....the current iac valve that is still on my civic is like this (CLICK LINK) http://www.rockauto.com/catalog/moreinfo.php?pk=944324
i think the original iac valve is like this one http://www.rockauto.com/catalog/moreinfo.php?pk=46701
let me know witch is the right iac valve and wat are the common honda sickness from the year 92-95 thanks guys!!
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Old Apr 15, 2012 | 10:40 AM
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Default Re: common honda sickness

It sounds more like you have a vacume leak. Take your intak elbow off and cover your throttle body with your hand and if the engine stays on it has a leak if it dies your good.
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Old Apr 15, 2012 | 11:13 AM
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Default Re: common honda sickness

Originally Posted by turbohatch96y7
It sounds more like you have a vacume leak. Take your intak elbow off and cover your throttle body with your hand and if the engine stays on it has a leak if it dies your good.
alright I'll try this method but wat if it dies and it does the same thing after running for a while with the idle issue thing what else can u think of...so it doesn't really matter what iac valve u use or does it?

Thanks
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Old Apr 15, 2012 | 03:20 PM
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Default Re: common honda sickness

If it dies there's no vacume leak.
Than take off your current iacv and bench test it. If you have a mukti meter you can oh out the solenoid annd check the resistance it should be about 7_12 ohms.
And clean the screen if its clogged
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Old Apr 16, 2012 | 02:25 AM
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Default Re: common honda sickness

Okay I tried ur test out and damn that **** sucks hard it drop down to where it sounded like it was gona die but ur didn't I left my palm there for like 2-3 seconds and it still stayed on so I i guess I have a vaccume leak somewhere???.....so why is it that my car is good in cold start but when driving constantly it jerks and also when I put on neutral my idle jumps like crazy also my check light goes on when it wants to
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Old Apr 16, 2012 | 08:04 AM
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Default Re: common honda sickness

When ur motors cold the iacv is open longer. Meaning a higher idle. As it warms up your idle drops but can't stay low because of your leak. Cover it again get a spray bottle with soapy water and try and listen for the leak. U can usually hear thee motor draw air in from the leak.
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Old Apr 16, 2012 | 08:45 AM
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Default Re: common honda sickness

Check around your injectors intake manifold gaskket.broken vacume hoses etc
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Old Apr 16, 2012 | 12:57 PM
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Default Re: common honda sickness

Where would I spray the soapy water in what areas
Thanks for the help
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Old Apr 16, 2012 | 02:15 PM
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Default Re: common honda sickness

Originally Posted by turbohatch96y7
Check around your injectors intake manifold gaskket.broken vacume hoses etc
Cover the throttle body listen for the leak than spray accordingly
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Old Apr 16, 2012 | 08:18 PM
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Default Re: common honda sickness

heres a pic dont be afraid to get under there and check. theres nothing crazy going on there.
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Old Apr 16, 2012 | 10:00 PM
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Default Re: common honda sickness

So those are the only places that i spray soapy water
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Old Apr 16, 2012 | 11:04 PM
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Default Re: common honda sickness

should be an easy task for u, vacum leaks arnt that bad. at least you have found the problem just need to fix it. anything have to do with the intake manifold lines and gaskets are the first thing u should look into
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Old Apr 17, 2012 | 02:02 AM
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Default Re: common honda sickness

Thanks for the help guys I'll look into that if I have any other problems ill let u guys know thanks again
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Old Apr 19, 2012 | 11:52 PM
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Default Re: common honda sickness

I tried the soapy spray thing and from wat u saw It's like the iac valve is drinking the water is that my Q that I needa change it
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Old Apr 20, 2012 | 09:16 AM
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Default Re: common honda sickness

Your iacv has an o ring on it. That. Might be broken. Is the water going in from the solenoid? The round black thing with the connector attached to it? There's 2 10 mm bolts holding it to the manifold remove those and inspect it.
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Old Apr 21, 2012 | 06:30 AM
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Default Re: common honda sickness

The water is coming from the crack that connects to the intake
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Old Apr 21, 2012 | 07:11 AM
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Default Re: common honda sickness

Hey my dx had the same problem. Remove the eacv.(under the throttle body next to the opening). Take it apart and clean the carbon. O rings ave probably cracked, use standard o rings found in a universal kit, adjust it to the same amount of turns, presto! The test for the eacv by the way is take the snorkel off of the throttle body, cover the two holes inside if the idle gets stable, thats the problem.
Good luck
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Old Apr 21, 2012 | 07:40 AM
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Default Re: common honda sickness

^^ what your talking about is a FITV.

The water is coming from the crack that connects to the intake

I donnt know what this means. Have you take apart your iacv yet? Please ddont try and skip around to diffrent things if that where your engine is drawing in air than take it apart and inspect. You have to get your hands a little dirty
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Old Apr 22, 2012 | 01:14 AM
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Default Re: common honda sickness

Ok c how the iac goes when u put it on the intake and how it has the outlining of the part the seam where the iac meets the intake on the aluminum area It's drinking the water from there
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Old Apr 22, 2012 | 09:32 AM
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Default Re: common honda sickness

ok so YOU HAVE A BAD O-RING THERE.
take it apart and relace the o ring. its rubber they break it happens
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Old Apr 23, 2012 | 03:17 AM
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Default Re: common honda sickness

So u mean to tell me I can use any iac it doesn't matter how the solenoid looks as long as Its plugged in?

I'll try and do that also
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