1998 Johnson Evinrude "EC" 150, 175 FFI Service Manual, P/N 520211, Page 67Get this manual
IEngine Cranks But Won't Start SYSTEMCOMPONENT CAUSES Water in Fuel OldStale Fuel Restricted or Broken Lines, Fittings, or Filters Blown Circulation Pump Fuse Position Fuel System Failed Pump Relay ACTIONS
Check fuel filter for waterCode 37 Substitute known good fuel Repair or replace as necessary
Fuel pump should run for 10 seconds when Key Switch is turned ONReplace fuse and retry Fuel pump should run for 10 seconds when Key Switch is turned ONSee Action StepsFuel System"Check Circulation Pump" Fuel pump should run for 10 seconds when Key Switch is turned ONverify voltage supply and signal from ECU See Action StepsFuel System"Check Circulation Pump" Monitor injector signal wires while cranking or use OMC Diagnostic Software to activate Injectors See Action StepsFuel System Test Emergency Stop Circuit See Action StepsIgnition System OMC Diagnostics Software should indicate at least 200 RPM while crankingAdjust or test Crank Position Sensor see Section Measure voltage at igncoils using PRV while cranking180V minSee Action StepsIgnition System Monitor ignition system signal wires while cranking or use OMC Diagnostics Software to activate ignition See Action StepsIgnition System i.eECU thinks it is starting warm engine when it is actually coldUse OMC Diagnostic Software to verify