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Old 04-23-2005, 07:37 PM
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Join Date: Jan 2004
Location: Racine, WI
Posts: 2
cold engine idle racing

Team,

I have a '72 350SL. When it is cold outside, and the engine is cold, the engine will climb to higher rpm's for a second, then drop down to low idle, then climb back up. The process will repeat itself about every 8 seconds until the engine is warmed up. I was told that a restriction in one of the lines to the cold start switch / valve will help. Does anyone know?

Tom

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