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300D Rough Idle

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#1

Old

10-22-2003, 12:30 PM

sperry

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Posts: 25

300D Rough Idle

My 1982 w/129k miles after reaching operating temp now idles rough.Checked all vaccum hoses under hood.Any troubleshooting tips .Thanks!

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#2

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10-22-2003, 01:53 PM

Zoonhollis Zoonhollis is offline

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Join Date: Jun 2000

Location: Cary, NC

Posts: 551

Lots of info on this subject here. Try searching on "rough idle," "rack damper," "engine mounts" and "engine shocks."

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1995 E300 Diesel (Die Blau Frau)

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#3

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10-22-2003, 03:28 PM

gsxr

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Location: USA

Posts: 8,102

I agree... engine mounts, dirty/bad injector(s), valve adjustment, and maybe the rack damper. Roughly in that order.

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#4

Old

10-24-2003, 11:50 AM

sperry

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Thanks Guys! Found out it was the Injectors.they weren` cracking all together,etc.New inserts & shims should do it.

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