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Emerald K6 Engine Management System - ECU


Product Information

Emerald K6 engine management system. Every Emerald system comes with programmers pack, software and communications lead, unlike some other engine management systems. The K6 ECU will cater for all your needs with options of up to 12 cylinders and key features such as adaptive wide band mapping, triple map facility (map switch not included), progressive boost for turbo applications, coil on plug capable, double injector control, exhaust gas temperature function, moveable speed sites among all the more obvious features. Here at PUG1OFF we have been using Emerald ECU's since 2005 and have full confidence in this great product along with its excellent technical support. 

When ordering the ECU we will require information regarding its intended application and use in order to provide the correct inputs and outputs plus base map. Please leave a note in the options above when placing your orer. 

The Emerald ECU requires wiring into your existing engine harness unless fitment is to MM1AP 55-pin ECU's found on 106 and 306 Gti (please select from the drop down menu). We offer a full wiring service for loom adaptations, please contact us for more information of your intended application.

Full spec of the ECU can be found below:

  • Physical:
    • Dimensions: 110 x 190 x 44 mm (W x L x H)
    • Weight: 491g
    • Power supply: 6.5v - 18v
    • Environmental protection: IP65 sealed enclosure, IP68 water proof connectors.


  • Inputs:
    • Engine speed triggers: 3 inputs, each configurable for Inductive or Digital sensors, crank, cam or distributor.  User selectable crank trigger patterns.
    • Air Temperature: Yes, standard Bosch or user programmable characteristic
    • Coolant Temperature: Yes, standard Bosch or user programmable characteristic
    • Barometric Pressure: Internal barometric pressure sensor
    • Engine load: Throttle pot and/or MAP 0 - 5v signals
    • Lambda sensor: 0 - 1v (Narrow band) or  0 - 5 v (Wide Band) signals
    • Road speed: Up to 4 inputs, configurable for inductive or digital sensors, software switchable internal pull-up option.
    • Other: Coded immobiliser input, exhaust gas temperature, oil/aux temperature. Spare inputs can be assigned to air conditioning request, boost level adjustment, clutch switch, triple map selection, launch enable, and others...


  • Outputs:
    • Ignition coil drivers: 6 internal drivers, configurable as Active high for external amplifier control or Active low for direct coil control
    • Injector drivers: 6 internal high power drivers
    • Other: Air conditioning clutch, fuel pump relay control, supply relay control, two stage cooling fan control, programmable tacho driver, oxygen sensor heater control, shift-light, boost control valve, variable cam control, cam switching, single & twin PWM solenoid IACV control, Bipolar & unipolar IACV stepper motor control, user programmable outputs, 5v sensor supply


  • Data-link Interfaces:
    • RS232 serial communications port
    • Controller Area Network (CAN) interface.  Version 2.0B protocol at up to 1Mbit/sec


Expected dispatch time within 5 working days.

Picture for illustration purposes only - actual parts may differ from shown.

Product Code: EMK6ECU

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