87-91 Porsche 944S & 944S2 MSPNP Gen 2 Plug and Play ECU

Description

Enhance your 87-91 Porsche 944 with the AMP|EFI MegaSquirt Gen2 Plug & Play ECU – a fully standalone, plug-and-play engine management solution designed for easy installation and maximum performance. This ECU is a great choice for racers seeking a reliable, budget-friendly and capable alternative to traditional systems for off-road and motorsports applications.

Important: This unit is compatible with Manual or Hydraulic Controlled Automatic Transmissions Only and does not support Electronic Automatic Transmission Control.

Compatibility:

Porsche 944 87-91 MegaSquirt Gen2 Plug & Play ECU Supports:

• 1987-1988 Porsche 944S
• 1989-1991 Porsche 944S2

Important Compatibility Notes:

• Does Not Fit: Porsche 944 Base Model
• Does Not Fit: Porsche 944 Turbo / 951 Turbo, including Turbo S

Features:

• Fully Plug and Play Installation: No wiring required for basic functionality
  • Direct Factory ECU Mounting: Installs in the factory ECU location for easy upgrade.
• Average Install Time: Under 1 hour
• Base Map Pre-loaded: Helps your engine start on the first turn of the key
• Real-Time Tuning & Data Logging: Connect via laptop for easy data monitoring
• Supports Most Aftermarket Wideband Sensors: Integrates with popular systems for accurate tuning

Fully Tunable Engine Control:

• 16×16 Fuel Tables: High-resolution tuning for precise fuel control
• 12×12 Ignition Table: Optimize ignition timing for efficient performance tuning with smooth and responsive adjustments
• Multiple Acceleration Enrichment Strategies: Optimizes fuel and timing for acceleration
• Closed Loop Idle Speed Control: Keeps idle stable in varying conditions
• Air Conditioner Control: Manages AC load based on engine performance
• Batch Fire Fuel Control: Supports stock wiring or up to four separate injector outputs with minor rewiring

Advanced Feature Set:

• 12×12 Air-Fuel Ratio Target Tables: Precise tuning with wideband O2 sensor integration
• Built-in 2-Step Rev Limiter: Configurable RPM management with launch control and flat shift functionality for seamless upshifts
• Real-Time Barometric Correction: Dynamic altitude compensation during engine tuning
• Internal 4-Bar MAP Sensor: Boost pressure monitoring up to 44 PSI for aggressive tuning
• Overboost Protection: Engine safeguarding through continuous boost level monitoring
• Closed Loop Boost Control: Precise boost management with compatible EBC Solenoid Kit
• Table Switching Input: Instant fuel and spark map changes for alternative fuel or nitrous activation
• Flex Fuel Sensor Input: Seamless transitions between E85 and gasoline
• CANBus Connector: Expandable connectivity with MegaSquirt-compatible devices for extended sensor and control integration

What’s in the Box:

• 1987-1991 Porsche 944S/S2 MegaSquirtPNP Gen2 ECU
• M8 Serial Tuning Cable
• 6′ Vacuum Hose for MAP Signal and ‘T’ Fitting
• 26 Pin Connector for Options Port with 6″ Wire Pigtail
• Documentation Card with Tuning Software Download Link

Note: The paid version of TunerStudio is not needed to tune this ECU. The free version can access all the features and tables of the MegaSquirtPNP and can be found HERE. The paid version 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). It also unlocks the ability to use customized dashboards, such as our MSPNP2 Dash, which is designed specifically to help make tuning your new build intuitive and easy!