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Monday, July 3, 2023

MegaSquirt Pro Gen 2 for Mazda Miata '99-'00 w/ Manual Trans MSPNP2-MM9900

MegaSquirt Pro Gen 2 for Mazda Miata '99-'00 w/ Manual Trans MSPNP2-MM9900


MegaSquirt Pro Gen 2 for Mazda Miata '99-'00 w/ Manual Trans MSPNP2-MM9900


1. MegaSquirtPNP Gen 2 is a Plug-N-Play Standalone Engine Management System.

2. Built for 1999-2000 USDM Mazda Miata w/ manual transmission.

3. This is a Second Generation MSPNP, easy to use and install.

4. MegaSquirtPNP Model #MM9900 has excellence features:

  • Fully Plug and Play Installation – No wiring required for basic functionality.  Average install time is under 1 hour!
  • Base map is pre-loaded to help your engine start on the first turn of the key
  • Real time tuning and data logging with a laptop connection
  • Supports most aftermarket wideband sensors

5. Fully Tunable Engine Control!

  • 16×16 Fuel Tables allow high resolution tuning
  • 12×12 Ignition Tables
  • Multiple Acceleration enrichment strategies
  • Closed Loop Idle Speed Control
  • Air Conditioner Control
  • 4 sequential fuel injector channels with individual trim tables
  • Onboard peak and hold drivers support both high and low impedance injectors – No external ballast resistor is needed!
  • Allows removal of stock airflow meter
  • Controls stock alternator (alternator control not adjustable)

6. Advanced Feature Set (Included!)

  • 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 DIYAutoTune.com EBC 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!

7. What you get in the box:

    • MegaSquirtPNP MM9900 ECU
    • MSPNP RS232 serial tuning cable, 6′ (USB adapter sold separately, if needed)
    • Tuning Software and Documentation CD
    • 6′ Vacuum Hose for MAP Signal and ‘T’ fitting
    • Four Screws for ECU mounting

8. Note: 

-Although there is a paid upgrade to TunerStudio, it is not needed to tune this ECU. 

-The free version included on the CD can access all the features and tables of the MegaSquirtPNP. 

-The paid version of TunerStudio simply adds tuning and analysis software, such as VE Analyzer Live to tune the fuel tables based on wideband O2 feedback (requiring a wideband O2 sensor and controller, sold separately).

- Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.


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