MITSUBISHI EVO3

This is a Plug and Play Standalone ECU for the 3 Plug 64 Pin Mitsubishi 4G63T and 4G92/3. Important notes to be understood from this ECU are:

• It can use the OEM trigger but the provided 24+1 Trigger Disc is highly encouraged to be used instead. This 24+1 Trigger disc has more resolution and starting/running this disc is a lot better than the OEM trigger disc.
• This ECU does not use the OEM MAF sensor, and the onboard MAP sensor must be used. This should be connected to the MAP connection in order to read correct vacuum and boost. Maximum boost pressure is 43 psi or 300kpa.
• The processor can be upgraded to STM32 that can do SD-Logging and CANBUS.
• It can use both high and low impedance injectors. OEM resistor box can be removed.
• This uses Speeduino firmware and Tunerstudio as the tuning software.
• It can run the OEM Idle Servo motor but converting to the Honda 2pin IACV is better and simpler.
• It has Bluetooth connection and a pinout for a wideband controller.
• The ECU case is 3D printed from either ASA or ABS which can withstand summer temperatures up to 80C. If aftermarket injectors are installed, low and high impedance can be used, and the resistor box can be deleted.

A free base tune is included and can run the engine, but final tuning is required. A separate wideband controller is a must to properly tune the engine.

Visit the Documentation Page to check the Base Map and INI file.

ECU Features:

• Flex Fuel support for ethanol fuel (E85)
• Bluetooth connectivity to aftermarket dash or Android Tablet/Laptop
• Coil on Plug ready
• Switched Dual Maps
• Launch Control/Flat Foot Shifting
• Closed Loop Boost Control
• Water Methanol Injection
• Boost by Gear

Disclaimer. Speeduino is open source and owned/maintained by Josh Stewart. It is constantly growing and features are added in future updates. For off road use only.