Roo Systems ECU Remapping

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Roo Systems ECU Remapping

Roo Systems has been carrying out research and development for the past seven years to refine ECU Remapping (ECU tuning) to suit most of the popular 4WD vehicles. You can be assured that our tunes are at the pinnacle of quality to suit your diesel 4WD.

It is also important to know the research and development and ECU Remapping is done to suit Australian conditions, with many more makes and models to come.

ECU Remapping is a complex and comprehensive procedure to alter a number of key parameters in the vehicle’s ECU including; injection timing, boost control, fuel delivery and torque limiters to name a few.

The gains you will experience is a substantial increase in power and torque by up to 40% that develops a much smoother and more responsive driving experience for your 4WD. Another significant benefit you will experience is a fuel saving of up to 20%. All this extra power, torque and economy are achieved while still staying within the factory safety parameters and backed up by a Roo Systems 5 year warranty.

How does it work?

ECU (factory computer) tuning refers to the process of replacing the original factory installed map used by the ECU of the vehicle to a custom tuned version.

Do vehicle manufacturers do this? … Yes they do – read on! Is there a difference between the stock/base, mid-spec and the luxury sports model variants of vehicles? Do they manufacture you get a different engine with every facelift of an existing model?

Manufacturers build an engine and design it to give optimum power and performance, and then strangles the power out of the engine and sells it at a much lower spec / performance level, e.g in the base model. By adding things like trim and new wheels they create different models, it’s just a modified variant with the same motor tweaked by software to perform at a different level.

So does this apply to 4WD’s?

It sure does! Manufacturers do exactly the same with 4WDs and the real benefits of ECU Tuning are:

  • More power
  • Greater Torque
  • Better fuel economy
  • Enhanced, sharper throttle response
  • Smoother, more progressive delivery of power
  • Reliable and safe way to power up your 4WD


The process of remapping a vehicle is usually one to two-day process (most same day). Not all ECU’s are identical in the same model vehicles and therefore every tune is customised to each vehicle and its intended use by its owner.

For more information on what Roo Systems ECU Remapping can do to your diesel 4WD, call Dave at our Jandakot location on 6174 5000 or call the national sales hotline 1300 305 709.