Smiffy,

Thank you very much for the response.

I do have a mity vac and there are no vaccum leaks at this point. I should have also noted that all injectors were removed, cleaned (although I was told they didn't need it) and the rubber seals were replaced when the injectors were reinstalled. The car has plenty of power and runs quite well as long as its not at idle.

I suspect that the 'intermittent' issue is with the ICV and the loose piece of plastic but did not want to damage it if it could be avoided. In my searches I had noticed several posts where someone was referencing an attempt at rebuilding the ICV. Is that possible?

Thank you again!

Tim

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82 380SL 41K miles sold, 98 SL500 44K miles, 13 C300 4Matic, 14 CLA-250 4Matic