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Old 09-20-2015, 04:37 AM   #8
Timco
I am my own mechanic....
 
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Join Date: Feb 2013
Location: Salt Lake City, UT
Posts: 3,433
Quote:
Originally Posted by Gforrest2 View Post
I thought a bad AOS let oil into the intake, fouling the plugs, causing smoke and a poor idle. How did all that grime coat the outside of the intake?
It leaks past the bands. It's just on the intake at the connections. Then the dirt absorbs it I'd imagine. Comes into the plenum in a mist?

All that should be dry and oil free. That's how mine looked.
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