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Old 11-07-2002, 01:27 PM
suginami suginami is offline
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Join Date: Dec 2001
Location: Southern California, U.S.A.
Posts: 8,508
Quote:
Originally posted by John_Schwarz
My guess is either fuel delivery or vacuum.
I agree. It has to be a fuel supply / pressure problem or a very slight vacuum leak that is hard to find.

Remember, my terrible oscillating idle problem turned out to be a vacuum leak at the intake manifold seal, but it only occurred after the car had reached operating temperature.
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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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