ME221 Universal 4 Cylinder ECU + Ford ST170 PnP Loom

Motorsport Electronics now offer their ME221 Wire-In ECU with direct fit ‘Plug and Play’ looms for the Ford ST170 engines. As the core of their PnP EMS range, the ME221 has taken the UK by storm, particularly in the MX5 market - and after 24 months of real world usage by real world customers, they now offer the system in a new, universal form factor, suited for accurate, reliable, and fully-sequential control of four-cylinder petrol injection engines.

This ECU wil give full, closed loop control of the VVT System - not just on/off like inferior ECUs.

This version includes a professionally made ‘click and go’ loom for the Ford ST170 engine. They even supply with the ECU dyno developed maps for both the OEM inlet and also throttle bodies and turbo applications.

If you want to get your ST170 up and running on fuel injection, be that using the OEM inlet, a set of AT Power throttle bodies, or even if you’re turbocharging it, the ME221 will deliver the precise fuel and ignition control you need, utilising all of the factory sensors and outputs. (Of course you can customise your injectors and sensors to suit, and just recalibrate the ECU!)

Indeed their base-maps don’t suit all setups - and in that case, get stuck in with the free MEITE tuning software and carry out tuning the fuel VE table & ignition advance, or setting up advanced features such as launch control, anti-lag, switchable maps, closed loop boost control, idle control or even full closed loop VVT control on the ST170 (this alone can add 40lb/ft as opposed to having to ‘lock’ the cam as you would with ECUs that don’t support VVT). 

They are so confident in the ME221 they even give you a LIFETIME WARRANTY...

What’s in the box?

This package includes:

  • ME221 Wire-In Engine Management System
  • RS232 Serial Communications Cable
  • Quick Start Guide
  • Fully Terminated ST170 specific Loom with connectors in place for:
    • Injectors x4 (Fully Sequential)
    • OEM Ford Crank & ST170 type cam sensor
    • VVT Solenoid connector (2 Pin Mini Timer)
    • Ford Coil Pack ‘Oval’ connector
    • Intake Air Temperature Sensor & Coolant Sensor (2 Pin Mini Timer Type)
    • Manifold Pressure Sensor (3 Pin Mini Timer)
    • OEM Ford TPS Connector (as per blacktop)
    • Flying leads for spare outputs & inputs
    • Power and Ground connections

You can download the latest software and manuals from our website.

Connectivity Specification:
  • 2x IGBT Coil Drivers for Direct Coil Drive
  • 4x High Impedance Injector Drivers (Can be used to drive two injectors each, or as spare Low Side Drivers)
  • 3x Spare 10A Low Side Drivers (User Assignable features, ie Fuel Pump, VVT, Boost Solenoid etc)
  • 1x 12V Tachometer Output
  • 2x VR/OPTO/HALL Crank and Cam Signal Inputs
  • 1x Knock Sensor Input
  • 7x Analogue Sensor Inputs (Can be used as digital inputs)

Price: £687.50 per unit ex VAT

Brand Motorsport Electronics
Product Code ME221_ST170PNP

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