A 2021 Isuzu D-Max on the dyno at Alt Tune

2021 Isuzu D-Max

3.0L Turbo 4JJ3 – Transtron ECU

The Challenge

This Isuzu D-Max was not living up to its full potential. Feeling underpowered and not getting up the hill with the ease that it could.

The Solution

Our software engineers meticulously fine-tuned every aspect of this orange beauty’s Engine Control Unit (ECU), tailoring it specifically to suit the vehicle’s unique characteristics. The result of tuning the Isuzu D-Max? Enhanced performance and improved fuel consumption! The dyno testing proved to be nothing short of spectacular!

Increased Power and Torque


Power Increase


Torque Increase

Further Benefits Of Tuning The Isuzu D-Max

Increased Power and Torque

Increased power and torque result in safer over taking and easier open road driving. Throttle response is also increased.

Years of Development

We have been tuning 4JJ3 3.0L TD engines for years, and understand how they work as well as the limitation on factory hardware.

Emissions solutions

We have solutions for emission systems such as disabling the Exhaust gas recirculation (EGR), Diesel particulate filter (DPF), Selective Catalytic Reduction (SCR) and associated DTC fault codes.

Dyno Video Of The Tuned Isuzu D-Max

So, if you’re looking to take your ISUZU D-MAX  to the next level, don’t hesitate to reach out to us! Our dedicated team is ready to unleash the full potential of your vehicle and make your driving dreams a reality!

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