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I have a 2001 Sea ray 210 BR with a the Mercruiser 5.0 EFI. It usually starts great, but once it get warmed up, I get a lot of black smoke and occasionally it will crank and crank and will only start if I go full throttle. When it does start, it sputters a bit, blows a lot of black (not blue)...
I have a 2001 Merc 5.7 EFI I/O that has the following symptoms.
After starting and running fine, it will occasionally crank without starting. Cold, hot, after long idle doesn't seem to matter. If I push forward to full throttle, it will start with a lot of fuel smoke (black, not blue). I...
