Toyota MR2 / Celica 3S-GTE Ecumaster EMU Classic ECU & Plug-and-Play Adaptor

Toyota MR2 / Celica 3S-GTE Ecumaster EMU Classic ECU & Plug-and-Play Adaptor

The Toyota MR2 / Celica 3S-GTE Ecumaster EMU Classic ECU & Pre-Built Plug-and-Play Adaptor Kit is designed to allow installation of an Ecumaster EMU Classic ECU using the original Toyota engine wiring loom.

This kit includes an Ecumaster EMU Classic ECU together with a pre-built, ready-to-fit plug-and-play adaptor, allowing the ECU to connect to the factory Toyota engine loom without building a complete custom engine loom from scratch.

It is suitable for selected Toyota MR2 and Toyota Celica 3S-GTE applications, including Celica ST180 / ST185 and ST205 models, depending on vehicle year and ECU connector type.

Key Features

Ecumaster EMU Classic ECU Included
Supplied with an Ecumaster EMU Classic ECU for standalone engine management control.

Pre-Built Plug-and-Play Adaptor
Supplied as a complete, ready-to-fit adaptor rather than loose connectors and wires.

Uses OEM Engine Loom
Designed to work with compatible factory Toyota 3S-GTE engine wiring looms.

Standalone ECU Upgrade
Allows upgrade from the factory ECU to programmable standalone engine management.

Cleaner Installation
Reduces the need for a full custom rewire by using the existing OEM loom where compatible.

Optional Bosch LSU 4.2 Lambda Sensor & Connector
A Bosch LSU 4.2 wideband lambda sensor and matching connector can be supplied as an optional extra if required.

Vehicle Compatibility

Designed for selected Toyota 3S-GTE applications including:

• Toyota MR2 3S-GTE
• Toyota Celica ST180 / ST185 3S-GTE
• Toyota Celica ST205 3S-GTE

There are two versions available for MR2 applications depending on model year / connector type, including MY92 and MY93 versions.

Kit Includes

• 1 × Ecumaster EMU Classic ECU
• 1 × Pre-built plug-and-play adaptor for Toyota MR2 / Celica 3S-GTE applications

Lead Time Note

Please note there may be a 5–7 working day lead time if the adaptor needs to be built to order. We will confirm availability and build status after purchase where required.

Important Notes

• Please confirm your vehicle model, year, engine, and ECU connector type before ordering
• MR2 applications may require the correct MY92 or MY93 adaptor version
• Designed for compatible Toyota 3S-GTE OEM engine looms
• Supplied as a finished adaptor, not loose connectors and wires
• Professional installation and mapping are strongly recommended
• A base map may require adjustment before use
• Final calibration should be carried out by a qualified mapper