Ecoboost Performance Forum

Ecoboost Performance => Troubleshooting, Maintenance, TSB Articles => Troubleshooting => Topic started by: StealBlueSho on March 07, 2019, 09:30:09 PM

Title: PCV Valve buzzing
Post by: StealBlueSho on March 07, 2019, 09:30:09 PM
Anyone with a 2013+ (when they changed the PCV system) notice their PCV valve buzzing. I suspect mine is on the fritz.... but if it's normal for it buzz on and off, then maybe not.

It's a $10 part and 30 second fix... just curious though if it's normal.

TIA..


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Title: Re: PCV Valve buzzing
Post by: Macgyver on March 08, 2019, 12:13:39 AM
No PCV should buzz. Even a new one. New can be bad.
Title: Re: PCV Valve buzzing
Post by: ZSHO on March 08, 2019, 06:24:01 AM
Its not installed correctly! The buzz your hearing is a large vacuum leak! Check the Hose connections and for codes! Check the Rear and Front CKCP Sensors!  Z

Page 130+ on the 2016MY PCV functionality

https://drive.google.com/file/d/1mojP8mZ7Uy9DaIqji6aYrE8O6OwUfxbh/view?usp=drivesdk
Title: Re: PCV Valve buzzing
Post by: StealBlueSho on March 08, 2019, 10:19:06 AM
It has always had a buzz... even before the catchcan... it's just gotten more consistent lately. Picked up a new valve for $6... will swap it later when I am home. Should resolve that issue and prevent future issues.

(https://uploads.tapatalk-cdn.com/20190308/e9aa4fa4064d75ba174ebcfd4837df5a.jpg)


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Title: Re: PCV Valve buzzing
Post by: ZSHO on March 08, 2019, 12:43:19 PM
Quote from: StealBlueSHO on March 08, 2019, 10:19:06 AM
It has always had a buzz... even before the catchcan... it's just gotten more consistent lately. Picked up a new valve for $6... will swap it later when I am home. Should resolve that issue and prevent future issues.

(https://uploads.tapatalk-cdn.com/20190308/e9aa4fa4064d75ba174ebcfd4837df5a.jpg)


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Where did you P/up the new PCV valve from! Is the PCV valve Flush with the Separator! Sometimes you need to Bend the PCV Hose in order to Fit Flush against the Sep! If not it will cause an air leak! Z
Title: Re: PCV Valve buzzing
Post by: StealBlueSho on March 08, 2019, 03:33:24 PM
Rattling fixed with new PCV Valve.


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Title: Re: PCV Valve buzzing
Post by: SM105K on March 08, 2019, 04:21:10 PM
Sweet!
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