Audi 2.2 ABY / 3B / AAN Ecumaster EMU Classic ECU & Plug-and-Play Adaptor

Audi 2.2 ABY / 3B / AAN Ecumaster EMU Classic ECU & Plug-and-Play Adaptor

The Audi 2.2 ABY / 3B / AAN Ecumaster EMU Classic ECU & Pre-Built Plug-and-Play Adaptor Kit is designed for use with Audi 2.2 20V turbo engines using the ABY, 3B, and AAN engine codes.

This kit includes an Ecumaster EMU Classic standalone ECU and a pre-built, ready-to-fit plug-and-play adaptor, allowing the Ecumaster ECU to connect to the original Audi engine wiring loom without modifying the OEM loom.

The adaptor provides a clean plug-and-play solution for customers wanting standalone engine management control on an Audi 2.2 20V turbo engine while retaining the compatible factory wiring harness.

Key Features

Designed for Audi 2.2 20V Turbo Engines
Suitable for Audi 2.2 ABY, 3B, and AAN engine applications.

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

Pre-Built Plug-and-Play Adaptor Included
Supplied as a complete, ready-to-fit adaptor, not loose connectors and wires.

No OEM Loom Modification Required
Allows the Ecumaster ECU to connect to the original Audi engine loom without cutting or modifying the factory wiring.

Cleaner Standalone ECU Installation
A plug-and-play solution for standalone ECU control while retaining the compatible OEM wiring loom.

Optional Bosch LSU 4.2 Lambda Upgrade
A Bosch LSU 4.2 wideband lambda sensor and matching connector can be added as an optional extra if required.

Ecumaster EMU Classic Specification

The Ecumaster EMU Classic is a proven standalone engine management system designed to control fuel, ignition, boost, and auxiliary systems on a wide range of engines.

Key EMU Classic features include:

• Built-in 4 bar MAP sensor
• Built-in Bosch LSU 4.2 wideband lambda controller
• Bosch LSU 4.2 wideband sensor support
• Flex fuel support
• Launch control
• Flat shift / gear cut
• Traction control strategies
• Boost control
• Knock control
• Closed-loop fuel control
• Closed-loop boost control
• Sequential injection support
• Configurable inputs and outputs
• Motorsport functions including anti-lag, pit limiter, and map switching
• USB tuning connection
• Windows-based tuning software
• CAN bus communication with additional module
• Drive-by-wire throttle support with additional module where applicable

Optional Lambda Upgrade

An optional Bosch LSU 4.2 wideband lambda sensor and matching connector can be added to this kit if required.

Adding the lambda option allows the Ecumaster EMU Classic to use wideband lambda feedback for accurate air/fuel ratio monitoring and closed-loop fuel control, making it a useful upgrade for tuned Audi 2.2 20V turbo builds.

Kit Includes

• 1 × Ecumaster EMU Classic standalone ECU
• 1 × Audi 2.2 ABY / 3B / AAN pre-built plug-and-play adaptor

Optional Extras

• Bosch LSU 4.2 wideband lambda sensor
• Matching lambda connector
• Additional sensors or wiring by request

Suitable Applications

• Audi 2.2 20V turbo ABY engine applications
• Audi 2.2 20V turbo 3B engine applications
• Audi 2.2 20V turbo AAN engine applications
• Audi S2 standalone ECU conversions
• Audi RS2 standalone ECU conversions
• Audi 100 / S4 / S6 2.2 20V turbo applications using compatible loom
• 2.2 20V turbo engine swaps
• Fast road cars
• Track cars
• Motorsport builds

Important Notes

• Please confirm your engine code, vehicle model, and ECU connector before ordering
• This listing is for the Ecumaster EMU Classic ECU and pre-built plug-and-play adaptor kit
• Supplied with a pre-built, ready-to-fit adaptor, not loose connectors and wires
• Designed to avoid modification of the compatible OEM engine loom
• Bosch LSU 4.2 wideband lambda sensor and connector are optional extras and are not included unless selected
• 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
• Some factory functions depend on vehicle specification, wiring, and final ECU configuration
• Some features may require additional wiring, sensors, or modules
• CAN and drive-by-wire functionality on EMU Classic may require additional modules where applicable

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.

Motorsport Use Notice

This product is intended for motorsport, competition, and off-road use where permitted. Please ensure the product is suitable for your intended application and complies with any relevant rules, regulations, or emissions requirements before use.