When it gets colder than 40 degrees my engine billows a cloud of white smoke during engine start.
Any solution to the above problem.
During warmer temps no trace of white smoke, during start and ops of the engine.
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10-18-2022 04:59 PM #1Senior Member
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- Mar 2007
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white smoke on a cold day during 8V71 Detroit diesel engine start
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10-18-2022 05:17 PM #2
Re: white smoke on a cold day during 8V71 Detroit diesel engine start
Yes, block heaters you can use in winter will resolve that issue. Otherwise this is pretty normal for diesel engines of all varieties in cold temperatures.
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10-18-2022 06:01 PM #3
Re: white smoke on a cold day during 8V71 Detroit diesel engine start
Block heaters and holding down the stop button for a few seconds while cranking. Dry cranking for a few seconds warms the cylinders up a little before it starts dumping in fuel. Uncombusted fuel from cold cylinders = smoke.
Even then, I still check the wind and look up and down the dock to make sure the coast is clear before firing mine up."The only thing that always works on an old boat is the owner" - Some Wise Guy
1976 46' Convertible
Old Fort Bayou
Ocean Springs, Mississippi