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Old 05-14-2000, 06:16 PM
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Join Date: Feb 2000
Location: Philippines
Posts: 157

How do I adjust idling speed in a 602 and 603 engine? Is it just a screw on the injection pump?


94' E280 Euro
85' 300D Euro
87' 250D Euro
77' 300D Euro
Manila, Philippines
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Old 05-14-2000, 06:45 PM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
ON the 1986 & later US cars there is a computer to control the idle speed, but there is a base setting w/o computer control. There is a adjusting bolt & jam nut at the rear of the inj. pump at the top, base setting is 50-75 rpm below desired speed.
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