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Old 12-10-2005, 14:01   #1 (permalink)
Chris Goodman
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Focus Valve Cover Pressure

I have a 2001 Focus with a DOHC engine. I was noticing a hydrocarbon fume
smell when driving. I disconnected the hose coming off the vave cover and
noticed significantly more pressure from this hose than on my other car.
What could cause additional gas flow from the valve covers?


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Old 12-10-2005, 15:01   #2 (permalink)
CJB
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Re: Focus Valve Cover Pressure


"Chris Goodman" <cgoodman@comcast.net> wrote in message
news:XuadndCmCIaX0gbeRVn-oA@comcast.com...
>I have a 2001 Focus with a DOHC engine. I was noticing a hydrocarbon fume
> smell when driving. I disconnected the hose coming off the vave cover and
> noticed significantly more pressure from this hose than on my other car.
> What could cause additional gas flow from the valve covers?
>
>


If your PCV valve is stuck closed, or if the PCV system is otherwise
restricted, you'll get a lot of pressure in the engine.

Also, if you have a worn out engine, you'll get a lot of blowby. Not
exactly sure what hose you removed.

CJB


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Old 12-11-2005, 03:01   #3 (permalink)
pottsy
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Re: Focus Valve Cover Pressure

hiya,

How many miles has the engine done?
Has it been serviced?
Has it been thrashed, especially when cold?

A compression test is a quick check for major snags

m


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Old 12-11-2005, 16:01   #4 (permalink)
Al Bundy
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Re: Focus Valve Cover Pressure


pottsy wrote:
> hiya,
>
> How many miles has the engine done?
> Has it been serviced?
> Has it been thrashed, especially when cold?
>
> A compression test is a quick check for major snags
>
> m


We see this all the time. The poster probably suspects something major
since he has a million miles on it and overheated four times. Plus, his
kid probably drives it to high school when it runs. So he posts with a
tidbit about pressure in the hose, hoping to elicit a cure that only
takes pouring some miracle juice in the oil or clamping the hose
tighter or something. He must be careful not to divulge the mileage or
service history lest he will have to hear the really bad news.
All is well. Just keep pouring oil into that baby.

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Old 12-13-2005, 21:01   #5 (permalink)
Chris Goodman
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Re: Focus Valve Cover Pressure

Ok.... the car has 55K miles, owned since new, never been abused, changed
oil every 3 K miles, hose is coming out of the valve cover, checked the PCV
valve already...clean and open; already performed compression check and all
cylinders good and even.
Now any ideas??????

"pottsy" <pottsy@pottsy.com> wrote in message
news:dngti9$mpm$1@nwrdmz01.dmz.ncs.ea.ibs-infra.bt.com...
> hiya,
>
> How many miles has the engine done?
> Has it been serviced?
> Has it been thrashed, especially when cold?
>
> A compression test is a quick check for major snags
>
> m
>
>



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Old 12-14-2005, 02:01   #6 (permalink)
Tom Adkins
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Re: Focus Valve Cover Pressure

Chris Goodman wrote:
> Ok.... the car has 55K miles, owned since new, never been abused, changed
> oil every 3 K miles, hose is coming out of the valve cover, checked the PCV
> valve already...clean and open; already performed compression check and all
> cylinders good and even.
> Now any ideas??????
>
> "pottsy" <pottsy@pottsy.com> wrote in message
> news:dngti9$mpm$1@nwrdmz01.dmz.ncs.ea.ibs-infra.bt.com...
>
>>hiya,
>>
>>How many miles has the engine done?
>>Has it been serviced?
>>Has it been thrashed, especially when cold?
>>
>>A compression test is a quick check for major snags
>>
>>m
>>
>>

>
>
>

I'm not familiar with the Focus, but I remember that the 2.3 Tempo\Topaz engine
would almost blow your hand away from the oil filler hole. They were like that when
brand new. What you are seeing could be normal.
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