Quote:
Originally Posted by GeorgeH
Interesting thought, I'll check it out. This problem occurs when the engine is cold and hot. It's much worse when the outdoor temp is cold or it's humid. So it would seem to be intake air related.
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That's interesting.
My problem only occurred when the car warmed up.
At cold start, it would idle fine, and then if left idling, after 3-5 minutes, the surging would start. It was a constant up and down surging, from about 500 to about 1,500 rpms.
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Paul S.
2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.
1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".
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