Engine

Asked by Apr 18, 2019 at 10:42 AM about the 2005 Pontiac Sunfire

Question type: Maintenance & Repair

There is oil leaking through the crank case
ventilator what can cause this?

2 Answers

86,955

First, look at a clogged PCV valve to see if it's clogged and inoperable. If that's not it you might have compressed gas seeping past the piston rings.

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Excessive blow by.

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