A Mazda 3 2.0 CiTD 143hp (2003 – 2009) makes about 170 hp and 410 Nm with Stage 1 software, compared with 143 hp and 360 Nm from the factory. That is 27 hp and 50 Nm extra.

This is a diesel engine with a displacement of 1,998 cc and engine code RF. The engine is controlled by the Denso RF7X. The software file can be written with tools such as Alientech KESSv2, Autotuner, CMD CMDFlash and Dimsport New Genius.

Frequently asked questions

How much power and torque does a Mazda 3 2.0 CiTD 143hp gain with Stage 1?

About 27 hp and 50 Nm: from 143 hp / 360 Nm to roughly 170 hp / 410 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a Mazda 3 2.0 CiTD 143hp use?

Denso RF7X.

Which tools can read a Mazda 3 2.0 CiTD 143hp?

Alientech KESSv2, Autotuner, CMD CMDFlash and Dimsport New Genius.

Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.