1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Manual, P/N 787024, Page 80Get this manual
Maximum RPM
CAUSES Faulty fuel pump(s) low fuel pressure Loss of throttle position sensor signal Engine will stay at idle regardless of thrott le position Blown injector fuse Fused in pairs ACTIONS Monitor fuel system pressure See Action StepsFuel System Verify connectionsuse FFI Diagnosti Software to verify CODES 12, 13 or 14
SYSTEMCOMPONENT Fuel System
Ignition System
Electrical System Faulty ECU or incorrect software version
Injectors are fused in pairsthis would affect injectors, See Action StepsFuel System Verify using FFI Diagnostic Software Possible CODE 15 See Section for test procedures Water test and install correct pitch prop Check operation, See Section Inspect gearcase lube for debris Check installation