Mazda 3 ECU remapping
291 files available
About remapping
The Mazda 3 accounts for 291 files in our catalogue, with the 1.6 D leading, alongside the 2.2 MZR-CD diesel and the 2.0i petrol including the SkyActiv version. It is a compact hatchback and saloon with a driving character that sets it apart from most rivals.
Stage 1 makes up 250 files, with 44 DPF off and 43 EGR off. The ECU mix is unusual: Bosch EDC16C3 and EDC16C34 alongside Denso units with SH725X processors and Siemens SID807, reflecting the model's varied engine sourcing.
Model highlights
- ›250 Stage 1 files across the diesel and petrol ranges.
- ›The 1.6 D is the most represented engine in the catalogue.
- ›44 DPF off and 43 EGR off files for maintenance work.
- ›ECUs including EDC16C3, EDC16C34, Denso with SH725X and Siemens SID807.
Fuel split
Engines and gains
| Engine | Fuel | Stock | Stage 1 | Stage 2 |
|---|---|---|---|---|
| 2.5 GT Skyactiv-G | Petrol | 184 hp | 210 hp +26 | — |
| 2.0 MZR | Petrol | 150 hp | 162 hp +12 | — |
| 2.2 MZR-CD | Diesel | 150 hp | 176 hp +26 | — |
| 1.6 MZ-CD | Diesel | 115 hp | 140 hp +25 | — |
| 1.6i | Petrol | 105 hp | 115 hp +10 | — |
Indicative figures from the technical catalogue; confirmed when you request the file.
Power curve
2.2 MZR-CD
ECUs
ECU manufacturers
Available services
Remapping services
Stage 1
Optimising the original map with no hardware changes: more power and torque, full reliability.
DPF off
Particulate filter solution: no more regenerations or blockage warnings.
EGR off
EGR valve management to reduce soot issues and improve response.
Speed limiter removal
Removal of the factory speed limiter.
Stage 2
Remap for vehicles with mechanical upgrades (intake, exhaust, intercooler…).
Pops & bangs
Pops & bangs exhaust effect (on lift-off and gear changes).
DTC delete
Clearing of fault codes (DTC) that can't be removed via diagnosis.
Why remap with Repromatronic
- ✓More power and torque with engine-safe tuning
- ✓Sharper throttle response and nicer driving
- ✓Potential fuel savings in normal driving
- ✓Files built from the original and 100% reversible
- ✓Made by technicians with thousands of projects behind them
Are you a driver?
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Log in as a professionalFrequently asked questions
What is SkyActiv?
It is Mazda's engine technology aimed at efficiency through unusual compression ratios. The SkyActiv petrol units are present in our catalogue.
Why does it use ECUs from several suppliers?
The model has used engines from different sources over its life, which is reflected in the mix of Bosch, Denso and Siemens references.
Is the work reversible?
Yes. We always keep the original ECU file, so the car can be returned to its factory configuration.