Mercury 175 H P 1999

by Martin Christensen
(Pacific Missouri)

The engine will not cold start once started it runs fine all day leave it sit for 6 hours or more and the problem reoccurs for cold start took it to two different Marine mechanics spend a lot of money on parts injectors fuel pumps ignition parts ecms sent out and checked they don't know what's wrong

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Jul 17, 2021
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Bad seal?
by: Anonymous

Not sure about this but I work on atvs and snowmobiles. Hard cold start can be bad crank seals on those type of engines.

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