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Thread: Looking for PCV valve - Any Engine pics available? Reply to Thread
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Topic Review (Newest First)
02-21-2016 06:03 PM
tower2 100000 miles and its a 2012 . all highway. Dealer won't put a catch can in tho.

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02-21-2016 05:56 PM
savethemanuals Great, thanks for quick reply. I am definitely getting the hesitation/sluggishness. How many miles do you have / what year?
Mine's a 2013 with only about 20k miles that I bought as a CPO with 7k on it a year ago, so I am hoping to have the dealer do all of this under warranty.
02-21-2016 05:50 PM
tower2 All of them were bad on mine but I'd say the 3right hand side were the worst. Honestly I would clean them, change your plugs to ngk iridium's, And install a catch can
Mine would start to hesitate and run slugish. Running great now


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02-21-2016 05:29 PM
savethemanuals
Quote:
Originally Posted by tower2 View Post
All done and put back together. I did my best on the valves. Still some left on there. Put it all together and replaced the upper cylinder temp sensor pig tail. All is good and no check engine light. Can't believe there was that much crap on my valves.

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You didn't happen to take any pictures did you? Which cylinders were worse or were they all the same? Apparently on the ST engine cyl 1 and 4 are worse:
https://youtu.be/lFnFIuSwdbU

But the fusion engine it is cyl 2 and 3. I haven't seen how our PCV is setup yet.
https://youtu.be/nK2eXdaydqI

I believe I have this problem. I have taken my car to dealer already and the just reflashed the ECU but it didn't help. It hesitates when cold and I think my mpg is a little low. It's been like this for a while.
02-13-2016 01:53 PM
sailor
Quote:
Originally Posted by tower2 View Post
Is it water ? How would it get in the system condensation from air ?

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Remember that you're burning a hydrocarbon, and the main exh. gasses resulting are H2O and CO2.

Water is always entering the system in operation, evaporating it out is a constant process. Think about the water & water vapor you can see out the tail pipe when it's still cold for an example.

Condensation from atmosphere when at rest is a smaller part of the water evaporated when the engine is warm.


As you can see from that sample, oil vapors condensing out are a much smaller portion of the ventilation flow. Current PCV systems mix in more outside air to clean it out better, not just the output from blowby as you get with both vent tubes going to the can. Single PCV hose to the intake would condense more there, that's why two are used to add the outside air flow and dilute the output.
02-13-2016 01:35 PM
tower2
Quote:
Originally Posted by tower2 View Post
Is it water ? How would it get in the system condensation from air ?

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Tom. Since I've cleaned the valves it runs great but smells like it is running rich is this possible? Should I data log ?

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02-13-2016 09:30 AM
tower2
Quote:
Originally Posted by 1turbofocus View Post
Yep that looks about right , all that gets into the intake , one the valves etc

Tom
Is it water ? How would it get in the system condensation from air ?

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02-13-2016 09:28 AM
tower2
Quote:
Originally Posted by 1turbofocus View Post
Yep that looks about right , all that gets into the intake , one the valves etc

Tom
It was a milky nasty mess

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02-12-2016 07:31 PM
1turbofocus
Quote:
Originally Posted by tower2 View Post
This is what came out of the janky can after a week of driving 120 miles a day. I also did a crc intake valve cleaning and wonder if some of this is from that

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Yep that looks about right , all that gets into the intake , one the valves etc

Tom
02-12-2016 03:57 PM
Arco-Zakus
Quote:
Originally Posted by tower2 View Post
New can ...
Wow! That's impressive!

Even more artistic than your original prototype (though missing a bit of its originality and charm).
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