Recent content by V.Marine

The breather enters the intake on the stbd bank (bank with issues). The boat is currently on the water and it is an I/O (exhaust is below waterline; won’t be able to see exhaust color while on the water). The fuel injectors were replaced about three years ago by a local marina, I would have to...

Now that you mention it, I do not smell fuel.

You may be onto something, the valve seals have never been done before. I performed a compression test on the engine and every cylinder fired at approximately 135psi. I also hooked up a Rinda scan tool and did not find any codes.

Good day to all, I have a 1999 260 Sundancer with a single Mercruiser 7.4L MPI/ Bravo 3 that is fouling up four spark plugs. The cylinders that are showing fouled spark plugs are #s 2,4,6 and 8. The fouled spark plugs all look the same (matte black with very minimal oil residue). The odd...