
ECU Remapping & Diesel Performance Tuning
Unlock more power, torque, and fuel efficiency from your vehicle with professional ECU remapping and emission system solutions. At The Performance Shop (part of The Workshop 1924), we specialise in custom diesel tuning for trucks, tractors, utes, and agricultural machinery in Auckland.
What is ECU Remapping?
Modern vehicles are controlled by an Engine Control Unit (ECU) programmed with conservative factory settings to suit global conditions. ECU remapping involves professionally modifying this software to optimise performance for New Zealand conditions, fuel quality, and your specific use case.
At The Performance Shop, we customise every remap so your vehicle performs exactly how you need it. Whether you need increased pulling power, improved fuel efficiency, or better drivability, we’ve got you covered.
The Benefits of ECU Remapping
- Increased horsepower and torque (typically 20–35%)
- Improved fuel efficiency (up to 6–13% in some cases)
- Better towing and load performance
- Smoother driving and throttle response
- Reduced engine strain when tuned correctly
Our remaps are designed to improve both performance and efficiency, not just power.
Vehicles we Remap
We provide ECU remapping services in Auckland for:
- Trucks
- Tractors
- Agricultural machinery (harvesters, combines)
- Utes and cars
- Buses and commercial fleets
Why Choose The Performance Shop?
- Part of The Workshop 1924 – trusted for over a century
- 6+ years of local ECU remapping experience
- Backed by Diesel Performance Solutions (16+ years expertise)
- Custom software developed for NZ vehicles and conditions
- Dyno-tested performance tuning
- Guaranteed results – minimum 10% improvement or we rework or refund
Our ECU Remapping Process
- Vehicle inspection & consultation
- Custom software calibration
- Safe ECU reprogramming
- Testing & optimisation
Same-day service is available in many cases, or 3-day turnaround for couriered ECUs.
Pricing
ECU remapping typically ranges from $900 to $3,500 + GST, depending on vehicle type and requirements. We provide fixed quotes upfront so you know exactly what to expect.
Ready to improve your vehicle’s performance?
Reach out to us today and get a free quote.
Frequently Asked Questions
ECU remapping can increase power by 20–35% and improve fuel efficiency, depending on the vehicle. It also enhances towing performance and drivability.
Yes, when done professionally. Poor-quality remaps can cause damage, but our experienced technicians ensure safe and reliable performance improvements.
Most jobs can be completed the same day. If you’re sending your ECU to us, turnaround is usually around 3 working days.
Pricing typically ranges from $900 to $3,500 + GST depending on vehicle type and modifications.
Yes, we guarantee at least a 10% improvement or we will rework the tune or refund your fee.

