Mercury FourStroke Outboard
ECMS12-70
ECU REPAIR
Repair and testing for 70-pin ECMS12 ECUs. Mercury FourStroke 75-150hp outboard engines. Worldwide mail-in. 1-year warranty.
Service Pricing
Diagnose & Test
$145
Repair with 1-Year Warranty
$845
Test fee waived when repair is purchased.
ECU Photo
Problems We Repair
- Coils or injectors not working
- Alarm stuck on
- IAC not working
- ECU not responding
- Water damage
- Fuel pump issues
- Oil pump not working
- SmartCraft not working
- 2 beeps and engine shutoff
- Water in fuel alarm
- Broken pin
- Lightning strike
Engines We Service
- Mercury FourStroke 75hp
- Mercury FourStroke 90hp
- Mercury FourStroke 115hp
- Mercury FourStroke 150hp