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No Heat Shield Cause Dieseling?

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RickTM

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Still trying to knock out problems on my 1600 the lastest being bad dieseling on shutdown. This engine is missing the carb heat shield. Could this be contributing to dieseling? I think not because it still diesels even after running the engine a short time and not building up any heat. Timing is set at about 15deg with a light. Starts good. Know I need the shield eventually. Anyone have a spare for sale? Any experience/advice on dieseling?
 
Sounds like you've got a bit of carbon buildup in one or more cylinders. Usually caused by burning oil over a period of time. Check your spark plugs to see if they are oil fouled.
 
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