5.0 mpi

I wanted to share an issue I've spent a couple of weeks and a lot of money troubleshooting (and puling my hair out over!), in hopes that it helps someone else out there having a similar problem (and I actually found these forums extremely helpful when troubleshooting this and other issues, so...

Hi All, I've got a fault 32, calling out starboard exhaust O2 sensor- There's two on each side. Is there any way to determine from that code which one on the starboard side? Thanks, -Gerry

I am getting ready to replace the Seawater Pump on a 5.0 MPI Mercruiser. I ordered the pump assembly it comes with the Pump shaft, bearings, housing, and impeller. I have a puller to remove the pulley and reinstall it on the new housing. There are no good videos on youtube that show the...

Overheating alarm on SeaRay Sundeck 220 I have 2010 SeaRay Sundeck 220 with a 5.0L MPI Engine. I keep going into an over temperature alarm when I am running 3,000 RPM and above. The alarm does not occur when operating under 3,000 RPM. Everything seems to check out fine. My water pressure is...

I have a 2005 Searay 240 Sundeck with a 5.0 MPI Bravo 3 I/O engine. It has a Cool fuel box. It had been running fine and at full acceleration would top out at approximately 48 to 50 MPH. Suddenly during use it slowed down and now tops out at about 32 MPH. It will not go above that. I...