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PCV valve let oil into air filter?

1231 Views 0 Replies 1 Participant Last post by  Lawnjockey
I have an 03 lb7 and noticed today that there was oil in the air filter and in the bottom of my air breather tube. Engine has been well taken care of with no other issues. Injectors replaced 500miles ago and no smoking. Will a bad pcv cause this?
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