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Old 07-24-2007, 07:04 AM   #1 (permalink)
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Date registered: Mar 2007
Vehicle: 1988 Mercedes 300SE
Location: Cincinnati, OH
Posts: 61
Surging Idle

Having some idle troubles with my 300se. Intermittently, it surges, and often quits. Some days, it doesn't do it, or at least not as badly. New fuel filter 5K miles ago. Any typical bugs that cause this?

Don
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Old 07-24-2007, 08:14 AM   #2 (permalink)
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Date registered: Jul 2006
Vehicle: 1990 W126 300SE - High Mileage Award
Location: MA, USA
Posts: 850
Sounds like it may be vacuum-leak related to me. Mine did the same, a little less severe, until I found a little tiny leak and fixed it.
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Old 07-24-2007, 01:06 PM   #3 (permalink)
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Date registered: Apr 2007
Vehicle: 1989 560SEL, Smoke Silver over Parchement Leather
Location: Cincinnati
Posts: 311
Hey Bigdon,
I am in Greater Cincinnati, in N. Kentucky. PM me anytime if you would like to trade 300se stories, or woes, whatever the case may be. I am dealing with intermittent "jiggly" idle now, just changed the mounts and engine shocks to no effect.
John
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