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Old 02-06-2011, 01:59 PM   #1
Kingmob35
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PCV Valve location on 2008 Ford Focus SE

Hello everybody,

Can anyone tell me where the PVC valve for a 2008 Ford Focus SE is located and if it is easy to get to?
I think I know where it is, driver side engine block, on top, but I am not really car savvy, just trying to avoid a trip to the auto shop.

While I'm here, the reason I want to change the PCV valve is because I have had some rough idling for a while, and my MPG has really gone down. When I first got the car, a full tank would go for 395 miles, but know it is down to 280 and goes down more every time I fill the tank.

I have already taken it to a shop to have it looked at, but all they did was replace the fuel filter. They then told me that all cars idle a little rough in the cold weather, but it is doing way too much to be just because of the weather. Searching around on the internet suggests that the PCV valve would be the culprit, and since it's so cheap, I thought I'd try to do it myself and save a couple hundred bucks.

Any suggestions on what could be the problem?

P.S. I only have 29000 miles on it.

Thank you so much for your time.


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Old 02-06-2011, 03:16 PM   #2
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http://forums.focaljet.com/spi-tunin...pi-engine.html

punch this in it will show u!
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Old 02-06-2011, 04:04 PM   #3
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If you have not done so yet clean your Mass Airflow Sensor its very easy to do it helped my 08. Thay sell an aersol can cleaner just for Mass Airflow Sensor it like $5 bucks. pull it out spray it off that easy. You can get a can of Sea Foam pour it all in the gas tank then fill up it will clean the fuel system from gas tank all the way to the exhaust its like $8 bucks a can. I think those two things will make your car drive like new for under $20 bucks. You will thank me when done your PCV should just fine you dont have to many miles on it yet you well know when it starts going bad it will start burnning oil most of the time.
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Old 02-06-2011, 05:41 PM   #4
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Old 02-06-2011, 06:03 PM   #5
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^^^^^^^^ Whats up 5characters Im from Warrensburg MO
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Old 02-06-2011, 06:53 PM   #6
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Thanks everyone,

Greedy339: If the PCV valve on my focus is the same location as that engine (which I think it is), then I don't think I'll have a problem changing it.
Now, I just have to wait for the part to arrive.

Go.army.1969: Good idea. I'll try that, too. Do you know where it is located? ( It's too dark and cold to look for it now)
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Old 02-06-2011, 07:20 PM   #7
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Quote:
Originally Posted by Kingmob35 View Post
Thanks everyone,

Greedy339: If the PCV valve on my focus is the same location as that engine (which I think it is), then I don't think I'll have a problem changing it.
Now, I just have to wait for the part to arrive.

Go.army.1969: Good idea. I'll try that, too. Do you know where it is located? ( It's too dark and cold to look for it now)
Its under your intake manifold a real bitch to get to. Its not like the SPI on the valve cover
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Old 02-15-2011, 11:47 PM   #8
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Yep under the intake mani. By the way I'm in the middle of replacing mine. Does anyone know what size wrench to use to remove the EGR tube inside the intake mani? Thanks.
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Old 02-16-2011, 11:04 AM   #9
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PCV is under the intake manifold on a Duratec engine, which is your engine. What is connected to the top of the valve cover on those engines is the oil breather tube which runs from the valve cover to the air intake.
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Old 02-16-2011, 07:16 PM   #10
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ohh ya...forgot about duratec...it's weird how duratec's are sooo hard to get to, zetec's right in the front and easy to get to, as well as the spi is on the valve cover
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