1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Manual, P/N 787024, Page 74Get this manual
Priority Level (cont CODE 51 FAULT Injector Injector Injector Injector Injector Injector #1 #2 #3 #4 #5 #6 open open open open open open load load load load load load INITIATES S.L.O.WGAUGE LIGHT Check Check Check Check Check Check Engine Engine Engine Engine Engine Engine DELAY
53 54 55 56
Priority Level C
CODE 28 47 48 49 81 82 83 84 83 84 FAULT Shift assist circuit malfunction AT sensor circuit malfunction AT sensor below expected range AT sensor above expected range Ignition Ignition Ignition Ignition Ignition Ignition coil coil coil coil coil coil #1 #2 #3 #4 #5 #6 open open open open open open primary primary primary primary primary primary INITIATES S.L.O.WGAUGE LIGHT Check Engine Check Engine Check Engine Check Engine Check Check Check Check Check Check Engine Engine Engine Engine Engine Engine DELAY 10 sec .5 sec .5 sec .5 sec 16 16 16 16 16 16 revs revs revs revs revs revs
1.5 sec at 600 RPM, immediate at WOT No action for first minutes after startup Engine must be running