so the alternator was whinning so changed that, car started smoking found out it was the turbo so sorted that out, central locking stopped working still trying to find out the problem there, have a boost leak still trying to sort that out, car fails the mot on emissions so going through the things that can cause this, 1 of them is a lovely crack through the manifold which im changing at the min while im waiting for my new gasket thought i would see what state my spark plugs are in an i find them covered in oil, am i right in this being the rocker cover gasket??? i've changed a couple on vauxhalls, are they pretty easy on audi's