E840

Description

The E840 is a fully assembled SMD component, Engine Management System (EMS) that is built on the extremely powerful ua4c + STM32 processor technology and Epic EFI firmware. This affordable ECU is suitable for boosted or naturally aspirated  with 1-8 cylinders or 1 to 2 rotors applications.

The E840 runs on the Tunerstudio tuning software which is easy learn and use for both novice and seasoned tuners. This allows simple and full control of the fuel and spark of your engine without excessive hours of software familiarization.

Package will include; fully assembled ECU in Aluminum enclosure with onboard maxx9926 VR conditioner, DVR8825 Stepper Idle Motor Control Module, 2 connectors (22 and 24 pin) will be included with 50 crimp terminals for harness construction and a 6ft USB cable.

Inputs:

• Hall or variable reluctor cam/crank input
• Mass Airflow Sensor
• Onboard 4 bar ( 44 psi ) map sensor
• Onboard barometric pressure sensor
• 32×32 fuel and ignition maps
• Onboard SD card datalogging
• Short and long term fuel trims
• Traction Control
• Throttle position sensor (0-5v)
• Air inlet temperature sensor
• Coolant temperature sensor
• Wideband or Narrowband oxygen sensor
• Flex fuel
• Launch control
• 2 Spare inputs
• Knock (external module input)

Outputs:

• Up to 8 Fuel injector channels
• 4 Logic level ignition channels
• 4 High current outputs for; boost, VVT, idle valve, idle valve 2
• 8 Low current outputs for; fan 1, fan2, tachometer, fuel pump, aux 1-4
• Stepper Idle Valve
• 5 volts sensor reference

24 hour epicEFI community support: https://discord.gg/TwVxa2wRZS