Thread: Rough idling with proper rpm both engine cold and warm
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Old 09-14-2009, 08:55 PM
sublettd sublettd is offline
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Join Date: Jan 2002
Location: Niceville, FL
Posts: 471
...and if it turns out to not be a vacuum problem, it may well be worn valve guides. I chased a similar problem for well over a year. Finally nailed it down when we pulled the engine to replace the head gaskets--which evolved into a complete engine rebuild due to a busted ring.
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Don
'85 500SL (Euro) - 186,000 w/a complete restoration and engine rebuild at 154,000
'95 C280 - 174,000
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