Hello,

Since I got it, on random occasions my 82 300CD would "hunt" a bit for an idle. Generally it seems when cold or nearly cold, in cooler temperatures but above freezing. It is a random thing, and seems to be related to finding the right idle speed after very low loads, like going from D to N or the AC cycling.

I took a video on my phone. Listen as the sound is more telling than the tach needle. Any thoughts/ideas?

And this was done after driving a while (drives fine) after reaming/replacing GPs and changing the spin-on fuel filter...

Link is here:
http://www.youtube.com/watch?v=-TGfKXp_-d0

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Current Diesels:
1981 240D (73K)
1982 300CD (169k)
1985 190D (169k)
1991 350SD (116k)
1991 350SD (206k)
1991 300D (228k)
2008 ML320 CDI (199k)
1996 Dodge Ram CTD (442k)
1996 Dodge Ram CTD (267k)

Past Diesels:
1983 300D (228K), 1985 300D (233K), 1993 300D 2.5T (338k), 1993 300SD (291k)