Enhance your 90-92 Toyota SW20 MR2 & ST185 Celica All-Trac (GT-Four) 3S-GTE with the AMP|EFI MSPNP2 Gen 2 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 the MS3-Pro/MSPNP-Pro Engine Management System for off-road and motorsports applications. Important: This unit is designed for Manual Transmission Only and does not support Automatic Transmission Control. Compatibility: 90-92 Toyota SW20 & ST185 3S-GTE MegaSquirtPNP2 Gen 2 ECU Supports: 1990-1991 ST185 Toyota Celica All-Trac / GT-Four: 2.0L DOHC Turbo [3S-GTE] (Manual Transmission) 1991-1992 USDM SW20 Toyota MR2 Turbo: 2.0L DOHC Turbo [3S-GTE] (Manual Transmission) Important Compatibility Notes: The MegaSquirtPNP Gen 2 is designed for the USDM SW20 MR2 Turbo. It is pin-compatible with the 1990-1992 JDM SW20 MR2 Turbo, but we have not tested it on JDM models and do not offer documentation for these applications. Support for non-standard installations is limited compared to fully plug-and-play setups. Verify compatibility with non-U.S. or non-Canadian Toyota ECUs by checking the part numbers below. Toyota ECU Part Numbers Replaced by this ECU: 89661-17320 89661-17321 89661-17322 89661-17330 89661-17331 89661-17332 89661-20750 89661-20751 89661-20760 89661-20761 May fit other applications; please feel free to contact us if you’re not sure. Important Installation Note: IAT Sensor Installation Required: Included (1) IAT Sensor & (1) Aluminum Weld-in Bung Features: Fully Plug and Play Installation: No wiring required for basic functionality except for the included air temperature sensor. Average Install Time: Under 1.5 hours! 3S-GTE Start-up 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 4 Sequential Fuel Injector Channels: Individual trim tables for each injector channel Onboard High Impedance Injector Drivers: Drives modern injectors efficiently Allows Removal of Stock Airflow Meter: Offers more flexibility in tuning 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: 1990-1992 3S-GTE MR2 / Celica MegaSquirtPNP2 Gen 2 ECU M8 Serial Tuning Cable 6′ Vacuum Hose for MAP Signal and ‘T’ Fitting 26 Pin Connector for Options Port with 6″ Wire Pigtail IAT Sensor with Connector and Pins Weld-in Aluminum Bung for IAT Sensor Tuning Software and Documentation Card Four Screws for ECU Mounting
