Yet AGAIN another issue !!

[Tydogg]

Boat was running just fine then took it out and it would die underload above 3k RPM . Figured out that the MAP sensor went out . This is the 5.7 EFI engine . Get a new MAP and it solved that issue , HOWEVER now there is a dramatic loss of power with some small "stumbling" in the higher RMPs. Havent dug into much at all as this just happened yesterday on the lake . Fouled plug because of the MAP going bad ? Thats the only thing I can really think of . Btw....2001 Moomba Mobius ....at this point its also for sale ha !! Thanks guys

[Turbinesurgeon]

Check the fuel pressure


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