Special order
MegaSquirt Gen2 PnP ECU | 1990-1993 Mazda MX-5 Miata Manual (MSPNP2-MM9093)
Click to zoom in
  • Guaranteed Fitment

    Always the correct part

  • In-House Experts

    We know our products

  • Technical Support

    We help with any installation questions

  • Wordwide Delivery

    Fast shipping times

MegaSquirt Gen2 PnP ECU

Special Order Item: To check stock and shipment time frame call (724) 479-5480 or use our Live Chat button.

MegaSquirt Gen2 PnP ECU

90-93 Mazda MX-5 Miata MegaSquirt Gen2 PnP Engine Management System by MegaSquirt

Fully Plug and Play Installation – No wiring required for basic functionality. Average install time is under 1 hour! Miata base maps is pre-loaded to help your engine start on the first turn of the key.

Supports most aftermarket wideband sensors and offers real time tuning and data logging with a laptop connection


  • 16×16 Fuel Tables allow high resolution tuning
  • 12×12 Ignition Tables
  • Multiple Acceleration enrichment strategies
  • Closed Loop Idle Speed Control
  • Air Conditioner Control
  • Up to 4 sequential fuel injector channels with individual trim tables (minor wiring change required if you want to enable sequential injection, as most of these cars were not wired for sequential injection from the factory)
  • Onboard peak and hold drivers support both high and low impedance injectors – No external ballast resistor is needed!
  • Allows removal of stock airflow meter
  • Allows adding a variable TPS – no special mods needed!
  • 12×12 Air Fuel Ratio Target Tables for use with wide band O2 sensor for precise tuning and table trim.
  • Built-in 2-step rev limiter / launch control with flat shift
  • Real time barometric correction
  • Internal 4-bar MAP sensor reads up to 44PSI of boost
  • Overboost protection
  • Closed loop boost control (Requires boost solenoid kit)
  • Knock sensor input with adjustable sensitivity
  • Headphone output for knock sensor – listen for knock while you tune!
  • Table switching input. Change fuel and spark maps on the fly for different fuels, nitrous activation, etc.
  • Input for flex fuel sensor – switch between E85 and gasoline on the fly!
  • CANBus connector allows interconnection of other MegaSquirt-compatible devices for additional functions (EGT Input, Automatic Transmission Controller, Additional Sensors... the possibilities are limitless!


  • 1990 - 1993 Mazda MX-5 Miata w/ Manual Transmission

What's In The Box?

  • 1 - MegaSquirt Gen2 PnP ECU
  • 1 - Serial tuning cable (6′)
  • 1 - Rear Options connector and pins
  • 1 - Vacuum Hose for MAP Signal (6')
  • 4 - Screws for ECU mounting
  • 1 - Documentation USB Stick
  • Tuning Software



  • Manufacturer Standard Warranty
We use cookies to improve your experience on our website. Read about how we use cookies in our Privacy Policy. By browsing this website, you agree to our use of cookies. privacy policy

Your cart