Air filter

Tiny
TONYJAMES1202
  • MEMBER
  • 1999 TOYOTA TACOMA
  • 6 CYL
  • 4WD
  • MANUAL
  • 150,000 MILES
Why is there oil in my engine air filter
Tuesday, April 19th, 2011 AT 11:41 AM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
That is usually the result of excessive pressure in the crankcase. This could be due to a PCV system not working properly to remove pressure or there is excessive piston ring wear creating more pressure than the PCV can handle.
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Tuesday, April 19th, 2011 AT 1:51 PM

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