If the exhaust hose is on fire, it sure can! Normally it indicates a very rich mixture, which in a diesel means the engine is constrained in some way like being over-propped or with a clogged air filter.
Joe Della Barba Coquina C&C 35 MK I Kent Island MD USA From: Robert Abbott via CnC-List <cnc-list@cnc-list.com> Sent: Monday, July 18, 2022 6:13 PM To: Stus-List <cnc-list@cnc-list.com> Cc: Robert Abbott <robertabb...@eastlink.ca> Subject: Stus-List Re: Sea Foam Also, lots of black smoke can be either a fuel problem or a lack of air problem On 2022-07-18 1:44 p.m., Matthew via CnC-List wrote: Lots of black can be overheating.
