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PCV Valve location.

 
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Old 09-04-2010, 03:37 AM
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PCV Valve location.

So, I've been reading about PCV Valves and I doubt the previous owner ever changed it or anything, since my idles are really rough, and possibly even gain back a few mpg :) if I changed it.

So, I'm wondering if anyone knows where the PCV Valve is located on a 5th gen. Also, how much does it cost at the Honda store? pics? hehe.
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Old 09-04-2010, 10:42 AM
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Re: PCV Valve location.

just look at the vacuum diagram sticker under your hood.


just go buy one at autozone/advanced auto parts/napa etc
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Old 09-04-2010, 12:35 PM
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Re: PCV Valve location.

Here ya go!

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Old 09-04-2010, 06:08 PM
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Re: PCV Valve location.

Wow, this is probably the easier PCV valve location I've seen until now I think lol
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Old 10-24-2012, 02:27 PM
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Re: PCV Valve location.

what does the pvc valve do?
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Old 10-24-2012, 02:50 PM
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Re: PCV Valve location.

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what does the pvc valve do?
it recirculates the gasses from under the valve cover into the intake to be burned in the engine

edit: it has a valve that opens when there is pressure under the valve cover, in which case it will open and let the gasses flow. there is also a breather that brings fresh air into it coming off your intake
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Old 10-25-2012, 04:27 PM
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Re: PCV Valve location.

you can pop out your old one and give it a shake, if it rattles its still good usually. If yours is old though, not a bad idea to go ahead and change it.
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Old 10-25-2012, 04:53 PM
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Re: PCV Valve location.

how often should you change this?
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Old 10-26-2012, 08:55 AM
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Re: PCV Valve location.

i have heard between 30k-50k, on turbo cars sooner. You can easily pop it off the grommet and give it a shake to see if its stuck. Me personally, its such a cheap and simple part to replace that i do it every other year.
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Old 10-26-2012, 03:43 PM
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Re: PCV Valve location.

If i were you i would replace it once a week or as often as you fill up at the pump.......................................
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Old 10-26-2012, 07:15 PM
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Re: PCV Valve location.

PCV = Positive Crankcase Ventilation. Lets gases built up in the head go back into the intake. Also lets oil slip by if it's old. 90% of mystery oil "use" can be solved with a new PCV valve.

OEM Honda PCV valve is way higher quality than chain store copy. About $18 for Honda, $4 at Autozone etc. You should also check the grommet on the valve cover for cracks/hardening.
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