Engine Control Unit

Enhance your 1996-1997 Mazda NA8 Miata with the MS3Pro Plug & Play ECU, a fully standalone engine management solution designed for straightforward installation and peak performance. This ECU is ideal for serious racers and motorsports enthusiasts seeking reliable, custom-tuned engine management for off-road use. The installation is plug-and-play, requiring no extensive wiring for basic functionality and averaging under an hour. A base map is pre-loaded to assist with starting the engine on the first try. The unit allows for real-time tuning and data logging via a laptop, with 8GB of internal data storage on a built-in SD card. It supports most aftermarket wideband sensors for accurate tuning. Key features include 16x16 fuel and ignition tables for precise mapping, multiple acceleration enrichment strategies, closed-loop idle speed control, and AC control. It offers 4 sequential fuel injector channels and supports OEM wasted spark ignition or sequential coil-on-plug conversion. The ECU allows for the removal of the stock airflow meter and includes onboard high impedance injector drivers. Advanced capabilities include 12x12 Air-Fuel Ratio target tables, VVT support, programmable voltage regulator control for NB alternator swaps, multiple traction control strategies, a built-in 3-step rev limiter with launch control, real-time barometric correction, and an internal 4-bar MAP sensor capable of reading up to 44 PSI of boost. It also features overboost protection, closed-loop boost control (requires EBC solenoid kit), rally-style anti-lag, water injection control, knock sensor input, table switching for different fuel types or nitrous, flex fuel sensor input, and a CANBus connector for interlinking with other MegaSquirt devices. It is compatible with 1996-1997 USDM Mazda ‘NA8’ Miata 1.8L [BPZE] (Manual Transmission) and European & Japanese Domestic Market Mazda MX-5 1.8L Models (Manual Transmission). It is NOT compatible with 1996-1997 JDM & EUR ‘NA’ MX-5 with the B6ZE 1.6L engine.