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- - Interesting question (http://www.njfboa.org/forums/showthread.php?t=34483)

WildBillyT

05-21-2008 08:41 AM

Interesting question

For a buddy of mine at work.

Car is a BMW 3 series.

It has a small oil leak, and when you pull the dipstick out the idle gets about 25-50 RPM higher. When you put it back the idle drops back down.

What do you guys think? Maybe a pressurized crankcase due to a clogged PCV system?

NJ Torque

05-21-2008 01:10 PM

Could be PCV... or maybe a bad/cracked ring maybe?

HardcoreZ28

05-21-2008 01:44 PM

By oil leak do you mean consumption? Could be a bad intake manifold gasket causing an internal vac leak and pulling oil from the galley right into the intake runners.

WildBillyT

05-21-2008 01:55 PM

Quote:

Originally Posted by HardcoreZ28 (Post 450199)

By oil leak do you mean consumption? Could be a bad intake manifold gasket causing an internal vac leak and pulling oil from the galley right into the intake runners.

Oil drips on the ground.

69BirdX

05-21-2008 02:18 PM

Pcv sounds logical. The extra pressure may be pushing out a gasket.
________
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camaro2you

05-21-2008 04:28 PM

It's defiantly something to do with the pressure Ive had problems with this before and it was either having to much ventilation or not enough.

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