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-   -   can anyone tell me if a bad CCV would make my E39 idle up and down? (http://forums.pelicanparts.com/101-projects-discussion-forum-bmw-3-series/768016-can-anyone-tell-me-if-bad-ccv-would-make-my-e39-idle-up-down.html)

Gregory (guest) 08-26-2013 05:25 PM
Hi can anyone tell me if a bad CCV would make my E39 idle up and down? i have checked everything from hoses and intake manifold and gaskets, my cam is still idling up and down and i dont know what esle to check.

http://www.pelicanparts.com/more_inf...47149-3652.jpg

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Kerry at Pelican Parts 08-26-2013 05:25 PM
Yes if the diaphragm is ruptured it is an internal vacuum leak which can cause surging at idle. Any kind of vacuum leak can cause an idle surge as well

- Kerry


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