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Rough running on cold start- anyone else?

4.2K views 1 reply 2 participants last post by  CDG  
#1 ·
The last two mornings, I started my 300C and it ran smoothly for a second,
roughly for about 3 seconds, then smoothed out. Reminded me of the "loping" engines used to do when the choke was stuck closed. Doesn't seem to happen when warm. Anyone else experienced this?