Your Vehicle
Mazda 3 2.0 CiTD 143hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online + installation 350 € at the workshop (via the OBD port) Book now
Power HP
Torque Nm
Buy the Stage 1 file, pay the installation at the workshop
100 € VAT included: the file developed for your engine, paid online
Installation: 350 € network price, the workshop may charge less, paid at the chosen workshop (via the OBD port) · terms
Power Graph
Mazda 3 2.0 CiTD 143hp: da 143 a 170HP
Remapping Mazda 3
MasterTuning develops remapping for Mazda. La Mazda 3 2.0 CiTD 143hp può passare da 143 HP a 170 HP con un incremento di 27 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Mazda 3 2.0 CiTD 143hp
The Mazda 3 2.0 CiTD 143hp is equipped with a diesel engine that produces 143 HP and 360 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Mazda can achieve 170 HP (+19%) and 410 Nm (+14%).
Our Stage 1 tuning for the 3 2003 - 2009 delivers an impressive gain of +27 HP and +50 Nm, optimizing the diesel engine's performance while maintaining reliability and staying within safe parameters.
The engine code RF identifies this specific powerplant configuration. The Denso RF7X ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
As a diesel engine, this Mazda responds exceptionally well to ECU tuning. Owners typically report improved throttle response, smoother power delivery, and in many cases, better fuel efficiency under normal driving conditions.
Technical Specifications — Mazda 3 2.0 CiTD 143hp
Factory technical data for the Mazda 3 2.0 CiTD 143hp (2003 - 2009), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | RF |
|---|---|
| ECU / Control unit | Denso RF7X |
| Fuel | Diesel |
| Compression ratio | 16.7 |
| Bore × stroke | 86.0 X 86.0 mm |
| Stock power | 143 HP · 360 Nm |
| Remapped power (Stage 1) | 170 HP (+27) · 410 Nm (+50) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Mazda 3.
Frequently Asked Questions - Mazda 3
How much power can I gain from remapping my Mazda 3?
With MasterTuning Stage 1, your Mazda 3 2.0 CiTD 143hp can gain +27 HP (from 143 to 170 HP) and +50 Nm of torque. This represents a 19% increase in power.
Which ECU does the Mazda 3 2.0 CiTD 143hp use?
The Mazda 3 2.0 CiTD 143hp uses the Denso RF7X engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Mazda 3 2.0 CiTD 143hp?
The engine code of the Mazda 3 2.0 CiTD 143hp is RF. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Mazda 3 engine?
Yes, MasterTuning's remapping for the Mazda 3 2.0 CiTD 143hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the RF engine.
Is the Mazda ECU remapping reversible?
Absolutely. The original factory calibration of your Mazda 3 is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Mazda warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
Other Remaps You Might Like
Other Engines Mazda 3 2003 - 2009
Similar Power Mazda
Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
Request Quote on WhatsAppYour data is safe. No spam, just your quote.