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Mazda
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2004 Mazda 6 oil in air filter
KASTONE62
MEMBER
2004 MAZDA 6
6 CYL
FWD
AUTOMATIC
117,000 MILES
I had my oil changed and they found the air filter had oil on it. What would cause this?
Saturday, July 18th, 2009 AT 8:52 PM
1 Reply
MHPAUTOS
MECHANIC
31,937 POSTS
Hi there,
This is normally due to excessive crank case pressure, have a leak down test done to check ring condition and get the PCV valve changed, start here.
Mark (mhpautos)
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Saturday, July 18th, 2009 AT 9:04 PM
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