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Overhead camshaft clean on one side and sludge deposit on the other side, 3.0L V6.
I'm trying to understand how one side of the overhead camshaft is clean and the other side is dirty with sludge on 3.0 L V6 2012 Outlander. it has 136000 miles See pictures below. Also, the intake plenum has carbon built up all the way to the throttle body. I found someone mentioned that it could be caused by a failing PCV valve. The PCV valve is located on the dirty side. Could it be low oil pressure getting to the camshaft on the dirty side?
Overhead camshaft clean on one side and sludge deposit on the other side, 3.0L V6.
