BenzWorld Junior Member
Date registered: May 2009
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1986 300e idle running high but becomes okay when..
My 1986 300e idle is running high (around 1500 or more) but becomes okay when the car gets hot - I mean physically hot from the sun. We haven't had it very long and haven't driven it long enough to get it really hot engine-wise, so don't know about that for sure, though I think the idle does get slower after a while of driving. Any thoughts? Help---