1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Manual, P/N 787024, Page 79Get this manual
I Engine
SurgesRuns Rough
CAUSES Contaminated fuel or oldstale fuel Restricted or leaking fuel delivery system ACTIONS Substitute known good fuel Check for damaged primer bulb, antisiphon valve, dirty filter or poor connections that leak air Upper cylinders may run leanSee Action StepsFuel System See Action StepsFuel System See Action StepsFuel System"Fuel Injection System" Possible CODE 51, 52, 53, 54, 55, 56 Leaking or stuck closedSee Action Steps Fuel System Check for loose connection or ground, correct spark plugs and wires (RFI) Possible CODE 16,51,52,53,54,55,56 Replace with correct typeSee Section 2Possible CODE 16 Inspect for damage and adjust as necessarySee Section 7Possible CODE 16 Check for loose connection or ground, correct spark plugs and wires Possible CODE 16 Repair or replace as necessary Be sure grounds are clean and tightRepa ir or replace as necessaryCODES 81, 82, 83, 84, 85, 86 Clean and tighten tight connection doesn't mean good connection Check using an ohmmeter or disassemble and inspectMonitor voltage at purplewhite wireSee Action StepsIgnition System to test stop circuitMonitor voltage at fuse 4See Action StepsIgnition System See Action StepsIgnition System Monitor voltage using FFI Diagnostic Software12V system can affect 26V outputCODE 17 See Section for test procedures See items related to CODES 18, 22, 25, 34, 35