jerry5457
New Member
- Aug 10, 2018
- 1
- Boat Info
- 1999 310 sundancer twin inboard 350 mag mpi mercurse ray marine radar
- Engines
- 350 mag mpi 1999 mercurser
have twin 350 mpi engines, both engi nes will not go above 2000 rpm under load mechanic says its fuel pumps on both engines exactly the same time ? says pressure on both engines are 19 and 23 psi. anyone have idea if correct and how much it will cost to replace both fuel pumps. he did not check the gas which is almost 2 years old.