Porsche 944 1987-1991 MSPNP Gen2 Plug And Play ECU

Product Details

Porsche 944 8791 MegaSquirt Gen2 Plug and Play #P8791 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 (other model base maps included on flash drive)
• 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
• Batch fire fuel control with stock wiring, or four separate injector outputs available with minor rewiring
• Onboard peak and hold drivers support both high and low impedance injectors – No external ballast resistor is needed!
  • Using peak and hold drivers requires rewiring the injectors to use four separate outputs. The stock wiring used one wire for all four.
• Allows removal of the stock airflow meter

Advanced Feature Set (Included!)

• 12×12 Air Fuel Ratio Target Tables for use with wideband 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!

What you get in the box:

• Porsche 944 8791 MegaSquirt Gen2 Plug and Play 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
• Four Screws for ECU mounting

Not for sale or use in the state of California on any pollution-controlled vehicle as per the California Air Resources Board.

Prop 65 Warning

Product Q&A

Lifetime Replacement