I have a mk2 golf that has a 1996 obd2 vr6 in it. I think the engine is over fueling, it constently smells rich, sounds like it is running a little rough and when hot, it will not start. It always starts fine when cold, but once hot it will not start, if you let it cool for 5 minutes it will start again. I VAG-COM'd it and it only threw up the charcoal filter open circuitt (but that is due to it been disconnected), that is the only fault code that is shown. I have changed the blue temperature sensor as i thought that it could have been that, but it did not improve the fueling problem. Has any