Well, I went through an intermittent no idle situation. I ended up replacing the airflow position sensor and the idle has been fine ever since. That was about a month and about three tanks of fuel ago.

I filled up day before yesterday and fuel mileage was SERIOUSLY off. This morning I ran my fingers in the tailpipe right after shutting it off and it is solid black soot.

I guess I'm headed for the manuals. In the meantime I will get out my other car.

Bummer!

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2001 SLK 320 six speed manual
2014 Porsche Cayenne six speed manual

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