Light came back. doing ioslator bolts this weekend. have got half the job done already. other half in the morning. There was definately an/oil air mixture leak at what i believe is cylinder 5, front most cylinder towards radiator on driver side. There was a POOL of oil next to that cylinder on top of the engine block and that cylinder's egr is pretty dirty too. There was lots of traces of fresh oil and oil burned buildup gunk everywhere in the intake plenum and more down into the valve areas in the block... perhaps 4-5mm thick with black soit.
Lower and upper air intake plenums have both been removed and cleanup is underway
I just dont know what to do about all the build up in the block, looking down at the egr ports and the valves its thick.... i mean do I need to clean it or is this commom build up for
Lastly, the main reasoning I write is to find out the torque setting on a torque wrench and go with it for every bolts I refasten to the intake manifold upper and lower. Anyone know that answer, as i have new stuff to fix, i already have the