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Our Porsche 924 engine management package is based around the hugely popular ME221 fully mappable standalone ECU from Motorsport Electronics. This is an ideal upgrade for anyone looking to replace their standard Bosch Motronic ECU, Airflow meter, troublesome DME relay and ageing wiring loom. Additionally this kit will allow aftermarket induction such as our individual throttle body kits to be run as well as turbo and supercharger conversions.
The ME221 Wire-In ECU is a feature rich and future proof four cylinder injection engine management system. Built from the ground up using the latest control strategies means a modern, powerful, VE based ECU, with enhanced feature set including closed loop boost, in-built Wideband Lambda Control, DSP Knock Control, on-board data Logging and VVT control – all in a compact form factor. Massive IO means the ME221 can handle anything thrown at it, and custom tables means any specific algorithms required can be easily derived.
Tuning Software (MEITE)
Variable Valve Timing
General Purpose Tables
Environmental & Physical
ME221 Fully Terminated Plug and Play Porsche 944 Wiring Loom
Genuine FDTI/Serial adapter cable
Air Temperature Sensor
Coolant Temperature Sensor (fits in place of the standard 944 temperature sender)
Wasted Spark Coilpack
36-1 Crank Position Sensor Kit. A complete bolt on kit to re-purpose the standard Porsche sensor at the front of the engine reading a 36-1 trigger wheel. Please see here for full details. (This will be required unless it has been purchased from us previously)
MAP Sensor. Forced induction engines will require a MAP sensor. Standard NA engines would also benefit as the engine can be mapped with MAP based load. ITB conversions do not require a MAP sensor as these will be mapped alpha-n based (TPS as load).
Bespoke HT Leads
Custom HT leads will be required to fit the coil included in the package.
Variable TPS. The majority of standard 944 throttle position sensors are a switched on/off signal only. A modern ECU requires a variable signal for full functionality. If a map sensor is being used for the primary load then this variable TPS is not required for basic running. However for some of the more advanced features it is recommended that a TPS is used alongside the MAP sensor. This TPS kit must also be used when running individual throttle bodies.
This system has been design to be plug and play on all of the 924S and 944 8v range as far as is reasonably practical. However if running with the standard inlet manifold and throttle body the TPS will either need to be converted to a variable TPS (as the standard sensor is only an on/off switched TPS) or alternatively a MAP sensor used for load (we can supply a 3 bar map sensor - see options). In forced induction applications a MAP sensor will be required regardless.
The standard 8v crank sensor and trigger pattern is unfortunately not supported and therefore a 36-1 trigger wheel and sensor will need to be installed on the front of the engine/pulley (see options).
The standard fuel injectors will need to be replaced with modern high impedance items (loom is supplied with standard Bosch 2 pin mini timer type plugs). We can supply genuine Bosch injectors in varying sizes from 300cc to 840cc as required. Some basic wiring will be required to allow the ECU to run the fuel pump - all based around the DME relay connections in the relay box (we can advise on this).
The complete installation and tuning manuals can be viewed or downloaded here.
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Tags: porsche, 924, 924s, 2.0, ecu, Turbo, engine management,