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Old 11-08-2001, 12:42 PM
Posts: n/a
500SEL and Black soot

My 85 500SEL idles rough (warm or cold) to the point that the car shakes noticably. This morning, I started it and noticed that there was a black soot stain on the concrete from the exhaust. I placed my hand in front of the exhaust pipe and I had small black specks all over my palm.

Any ideas?

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