Erratic Idle - Mercedes-Benz Forum

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post #1 of 3 (permalink) Old 04-12-2010, 05:22 PM Thread Starter
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Erratic Idle

An inherited 1984 500SEL has an eratic idle. The tach goes up and down from 500 to 800 rpms but drives smooth at anything above the idle.
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post #2 of 3 (permalink) Old 04-12-2010, 10:13 PM
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Try bumping idle up to 900-1100 and see if it makes a difference. No, its not a fix, but it may smooth it out some. I think 500 is a little low?
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post #3 of 3 (permalink) Old 04-17-2010, 12:15 PM
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