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Isuzu D-Max 2020 silver pickup truck front side view

Isuzu D-Max 3.0L 4JJ3 Diesel Tuning Packages

Isuzu D-Max RG · 3.0L 4JJ3 · 2020 onwards

Tunes from $850.00

Book a tune in our workshop or post us your ECU.

Build Your Package

Choose your stage. We'll tick the parts it needs, and you can swap them or tell us what's already fitted.

Stage 1 Package $0 Est. total inc GST

Choose your stage

Typical gains over standard. Results vary with vehicle condition and fuel.

On our dyno

Parts

Tuning Options

All pricing includes GST and freight to our workshop. Parts and fitting are an estimate, confirmed when we book you in.

Isuzu D-Max 3.0L 4JJ3 ECU Tuning

Professional ECU tuning for the Isuzu D-Max 3.0L 4JJ3 (2020 onwards), calibrated in-house by Sunshine Coast Diesel Tuning. Build your package above: choose Eco, Stage 1, 2 or 3, add the parts you want, and see your price as you go. You can book in our Sunshine Coast workshop or post us your ECU.

Which Stage Suits Your D-Max?

  • Eco: a milder Stage 1 tune, set up for economy and towing.
  • Stage 1: ECU remap on the standard vehicle, no parts needed. The best value upgrade for daily driving, touring and towing, with sharper throttle response, stronger mid-range pull and easier towing.
  • Stage 2: tuned to suit a performance exhaust and supporting parts such as intake, intercooler, transmission cooling and a catch can. Suits heavy towing, touring builds and larger tyres, with the calibration matched to the parts you choose.
  • Stage 3: upgraded turbo with the Stage 2 hardware, calibrated around your full setup to keep temperatures and loads in safe limits. Our biggest gains.

The expected gains for each stage are shown in the builder above.

What’s Included

  • In our workshop: ECU remap and any parts you choose installed on-site, with your vehicle custom calibrated on our dyno.
  • Mail-in ECU: post us your ECU, we remap it on our bench and post it back, return postage included.
  • Turnaround: tuning only is done in a day, by appointment. If we are installing parts it can take several days, and we will confirm when we book you in.
  • Pricing: shown in the builder as you go, including GST. Parts include freight, and workshop jobs include fitting in the estimate.

The Package Includes tab shows exactly what your build includes.

Specifications

  • Vehicle: Isuzu D-Max 3.0L 4JJ3 (2020 onwards)
  • ECU: factory ECU, calibrated in-house
  • Workshop: Sunshine Coast, QLD, by appointment

Off-Road Options

DPF, EGR and AdBlue deactivation are for off-road use only. See our Terms & Conditions.

Want to talk it through first? See our D-Max ECU tuning page or our ECU and dyno tuning services.

Power figures are indicative and will vary with vehicle condition, fuel quality and ambient temperature.

Vehicles with high kilometres or existing mechanical issues may not achieve the quoted gains. We will advise before proceeding if we find anything during the health check.

Stage 2 and Stage 3 require the listed supporting hardware to be fitted before tuning. Parts not stocked can be sourced and quoted.

Prices shown are for the tune only and exclude hardware.

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