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					Originally Posted by Jager  AOS is suspect.
 At idle remove your oil fill cap... Is it difficult to remove? After removal does the opening sound like a Shop Vac? Put your hand over the opening... Is there a lot of suction?
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Yes. A lot of suction. And I can hear that if I open the oil cap. The engine runs lean.
I can hear the leak is around the AOS. I may do a smoke test. Thanks!