Mazda MX-5 NA6 1.6 – MS3 Mini ECU & Fuel System Upgrade | DMS TUNED

This MK1 Mazda MX-5 1.6 (NA6) received a complete engine management and fueling upgrade, focused on signal integrity, ignition stability and precise fuel control. The goal was to create a clean, reliable platform ready for future performance expansion.

Mazda MX-5 NA6 MS3 Mini ECU installation DMS Tuned

Upgrades Performed

Megasquirt MS3 Mini ECU installation
Custom standalone calibration
AEM wideband integration
Toyota COP (coil-on-plug) conversion – plug & play
Bosch EV14 550cc injector upgrade

Technical Focus

Signal routing and grounding were optimized to ensure stable RPM and load readings. Injector characterization was calibrated for accurate fueling, and ignition dwell settings were configured specifically for the Toyota COP setup.

The result is clean data acquisition,