Evinrude E-TEC warning horn: oil, overheat or water in fuel
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Applies to: Evinrude E-TEC 115 to 300 hp
Symptoms
- Warning horn sounds and the engine slows to idle (SAFE mode)
- Warning light on the gauge
- Happens after fuel up or at high speed
Why it happens
The E-TEC module warns on low oil, no oil flow, overheating or water in the fuel, and cuts power to protect the engine.
How to fix it
- Note the horn pattern and gauge message.
- Check the oil tank level and oil lines.
- Check the water-in-fuel filter and drain it.
- Check the tell-tale stream and water intakes for overheating.
- Read the stored codes with diagnostic software to pinpoint the fault.
Tools and parts
- Two-stroke oil per manual
- Water-separating fuel filter
What the factory service manual covers
Engine management: warning system, oil system, fault codes. The full procedure, specs and wiring diagrams are in the factory service manual for your machine.