The Oil PRessure sending wire, as you can sort of see in the second picture, goes right to the dash, it doesn't come near the air intake. That is still concerning, but my oil pressure is much more concerning, but if our next theory does not work out I will investigate that.

Last night while I was at FIRST my father did some hardcore searching of the forum and found someone with a very similar problem. After changing the Chain Tensioner they last oil pressure. They discovered that the oil leaking from the CT got into the voltage regulator and by jostling the alternator to change the CT they moved some of the gunk that had collected on the voltage regulator into a position that either broke it or inhibited some of the contacts. So I am going to get a new voltage regulator and hope for the best, then i will be after that smoking issue.

Thanks for the help,
Jim

By the way, what is under the Air Intake that would start to smoke? What is under it Mechanically and Electrically?

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1985 190E 2.3-16v Euro
1980 300GD SWB