Why would I have engine oil in my air filter? I have a 1989 F-250 with the 5.8L

1989 FORD F-250
175,000 MILES
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BOYD
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  • 2 POSTS
Also when disconnecting the air in take White smoke pours from the air filter
Oct 15, 2011 at 11:27 AM
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JACOBANDNICKOLAS
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Check the PCV val.e to make sure it is working. Also, there could be excessive blow-by from worn rings which will cause excessive pressure in the crank case. That can force oil through the PCV into the air filter
Oct 15, 2011 at 11:32 AM
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BOYD
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Thank you Verry much for confirming my assumption.
Oct 15, 2011 at 11:55 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Glad to help. If you have other questions, let me know.

Joe
Oct 15, 2011 at 5:14 PM
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