Quote:
Originally Posted by ElHocko
I checked the PCV System and found a lot of oil sitting in the inlet/throttle.
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All KV6s suffer from this Benni. The wire mesh filters in the camshaft covers don’t work properly. The oil is supposed to condense on them and remain in the head. Instead it is sucked into the throttle body where some trickles down the gradient into the air filter rubber outlet hose and some is sucked into the manifold chamber where it can interfere with the VIS actuators over time. This doesn’t normally result in blue smoke from the exhaust. You
may have a damaged valve stem oil seal. Have you looked at all the sparking plugs for evidence of a less than perfect mixture?
Simon