S13 SR20DET 8994 MegaSquirtPNP Gen2 Plug and Play

S13 SR20DET 8994 MegaSquirtPNP Gen2 Plug and Play Standalone Engine Management System

1989-1994 Nissan S13 chassis, SR20DET with manual transmission – also perfect for 240SXs with this swap!

S13 SR20DET 8994 MegaSquirtPNP Gen2 Plug and Play installs quickly in the factory location. 

S13 SR20DET 8994 MegaSquirtPNP Gen2 Plug and Play #NJ8994 Features:

  • Fully Plug and Play Installation – No wiring required for basic functionality except the included air temperature sensor.  Average install time is under 1 hour!
  • SR20DET base maps 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

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
  • Up to 4 sequential fuel injector channels with individual trim tables (optional trigger disc required for sequential injection)
  • Onboard peak and hold drivers support both high and low impedance injectors – No external ballast resistor is needed!
  • Allows removal of stock airflow meter

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 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!

Note: Installation of an IAT sensor and trigger disc is required. Both are included with this ECU.

What you get in the box:

  • S13 SR20DET 8994 MegaSquirtPNP Gen2 ECU
  • MSPNP RS232 serial tuning cable, 6′ (USB adapter sold separately, if needed)
  • Tuning Software and Documentation USB Stick
  • 6′ Vacuum Hose for MAP Signal and ‘T’ fitting
  • IAT sensor and wires
  • Four Screws for ECU mounting
  • Bolt in optical trigger disc for stock CAS

Note: Although there is a paid upgrade to TunerStudio, it is not needed to tune this ECU. The free version included on the USB Stick 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).


Type: DIYAutoTune


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