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- - What causes a clogged PCV system? (https://volkswagenforum.com/forum/volkswagen-passat-cc-21/what-causes-clogged-pcv-system-32778/)

huyuhy

07-07-2011 05:18 AM

What causes a clogged PCV system?

I've read over many of the PCV threads here, but I still can't seem to find a reason why the PCV gets clogged.

Is it something we can prevent? Is it a design flaw?

Basically, after replacing the PCV, how do we prevent the clog up again and all of the associated problems?

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