M52b28 surging idle when cold

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hillbilly30
E30 Zone Regular
E30 Zone Regular
Posts: 419
Joined: Sat Sep 26, 2009 11:00 pm
Location: Norfolk boy

Post Sun Oct 13, 2013 8:42 am

Hi, as per title really. On start up yesterday it just sat at about 1500rpm (seemed quite high) but with a definite drop down In revs every second maybe, fine when warm.
I've seen one on YouTube that sounded the same but I'm not sure how to post links