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Timeline for PCV Valve for Ford Focus 2009

Current License: CC BY-SA 4.0

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Jul 16, 2018 at 2:41 comment added Moab Yeah you can read anything on the internet, but until you work on cars for 45 years you learn the truth.
Jul 15, 2018 at 20:17 comment added Carguy Ok, ok, you win. But, in practice, I've read that a clogged PCV valve increases crankcase pressure to the point of forcing oil droplets past control rings and causing the engine to burn oil. The excess pressure also causes seals and gaskets to leak.
Jul 15, 2018 at 16:32 comment added Moab Yes nonsense, PCV systems have 2 parts, the pcv valve with pulls out blow by gases from the crankcase into the intake manifold, then a filter to let fresh air into the crankcase. Otherwise you would pull a vacuum on the crank case, they have worked this was since the pcv system was invented.
Jul 15, 2018 at 10:18 comment added Carguy Nonsense? Really? There is no way for blow-by gases to enter back into the air filter box. Those gases can only exit the crankcase via the PCV valve, into the intake manifold.
Jul 12, 2018 at 21:19 comment added Moab "A clogged one can seriously damage an engine due to excessive blow-by pressure in the crankcase." Nonsense it will just push back into the air filter box.
Jul 11, 2018 at 12:42 vote accept Slack Groverglow
Jul 11, 2018 at 6:57 history edited Carguy CC BY-SA 4.0
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Jul 11, 2018 at 6:46 review Low quality posts
Jul 11, 2018 at 7:01
Jul 11, 2018 at 6:45 history edited Carguy CC BY-SA 4.0
deleted 523 characters in body
Jul 11, 2018 at 6:14 history answered Carguy CC BY-SA 4.0