Plug-N-Play Standalone Engine Management System

MSPNP2 Feature Set

This is a general feature set of the MSPNP2 ECUs, features available in specific models will vary, see below for specifics on each model.

  Easy to Use and Install!  
  • Fully Plug and Play Installation - No wiring required for basic functionality.  Average install time is under 1 hour for most models!
  • Base maps are 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
  Fully Tunable Engine Control!  
  • 16x16 Fuel Tables allow high resolution tuning
  • 12x12 Ignition Tables
  • Multiple Acceleration enrichment strategies
  • Closed Loop Idle Speed Control
  • Air Conditioner Control
  • Up to 4 fuel injector channels with individual trim tables available in sequential models
  • Onboard peak and hold drivers support both high and low impedance injectors - No external ballast resistor is needed!
  • Allows removal of stock airflow meter (if equipped)
  Advanced Feature Set (Included!)  
  • 12x12 Air Fuel Ratio Target Tables for use with wide band O2 sensor for precise tuning and table trim.
  • Built-in support for a wide array of ignition triggers
  • Built-in 2-step rev limiter with flat shift
  • Launch Control
  • Real time barometric correction
  • Internal 4-bar MAP sensor reads up to 44PSI of boost
  • Overboost protection
  • Closed loop boost control
  • 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, maximum power, maximum economy, nitrous activation, etc.
  • Input for flex fuel sensor
  • CANBus connector allows interconnection of other MegaSquirt-compatible devices for additional functions such as EGT Input, Automatic Transmission Controller, Additional Sensors.....the possibilities are limitless!

The EFI Tuners Guide

A Free Education In Electronic Fuel Injection and Ignition Control - How to Plan, Install, Configure and Tune your Standalone EMS!


The MegaSquirtPNP, as with any programmable engine management system, may not
be legal for use on pollution controlled vehicles and is therefore produced and sold for off road/race use only. Check federal/local laws.

MegaSquirtPNP, MSPNP, MegaSquirt PNP, and MS PNP, are trademarks of EFI Innovations, Inc d/b/a