Marine Power 5.3 GEN V DI Owner's Manual page 31

11.
Engine Diagnostics and Codes
Name Description
Emergency Stop Warning
Electronic Spark Timing Circuit (EST) ECM sets code if ignition coil fails diagnostic test.
Electronic Throttle Control ECM sets code if dual sensors out of range.
Electronic Throttle Control ECM sets code if dual sensors do not agree.
Electronic Throttle Control ECM sets code if it detects throttle body issues.
Electronic Throttle Control
Electronic Throttle Control
Electronic Throttle Control
Electronic Throttle Control
Fuel Pressure Sensor Sensor fails diagnostic test.
Fuel Pressure Error Sensor alerts ECM if fuel pressure is too high or to low.
Fuel Pump Relay 1 ECM detects abnormal relay current or voltage.
Fuel Pump Relay 2 ECM detects abnormal relay current or voltage.
Fuel Level Sensor 1
Fuel Level Sensor 2
Fuel Rail Pressure Diag Sensor
Fuel Rail Pressure Sensor
Fuel Rail Sent Message
Gear Temp Sensor alerts ECM if gear oil temperature is above 300° F.
General Warning
Gov Status Lamp
Hpfp Press Error
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Trouble MIL Buzzer Reduce
Code Lamp RPM
65710
65541-48 X
65604-05 X X
65613 X X
65615 X X
65618
65600
65601-02
65610
94 X
94 X X
66017 X
66025 X
96
38
1349
157
66032
174 X X
65701-03
66005
66031
Comments
Last digit corresponds to coil number.
Limits RPM to 1000. Check pedal adjustment.
Limits RPM to 1000. Pedal may need replacement.
Limits RPM to 1000. Check for stuck throttle body blade.
Check or replace filters. If problem persists then further
diagnostics needed. Reduces RPM to 2500.
Not normally used in jet or repower applications. Used for Towboats.
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