the second issue I am experiencing is the engine idle keeps fluctuating on 1994 Mercedes-Benz C280

the idle fluctuates up and down and some times it will be steady but mostly it keeps fluctuating,any advise would be appreciated ,what are the possible causes.

by in Wake Island, HI on March 12, 2013
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1 answer
ANSWER by , March 12, 2013
poss dirty throttle body. have throttle body cleaned and see if that helps to start with