From 150 hp to about 185 hp: the Citro�n C4 1.6 THP 150hp (2004 – 2010) becomes noticeably stronger and more responsive with Stage 1 software. Torque climbs from 240 Nm to about 300 Nm.

This is a petrol engine with a displacement of 1,598 cc and engine code EP6DT. The engine is controlled by the Bosch MED17.4.2. The software file can be written with tools such as Autotuner and ByteShooter Toolbox.

Frequently asked questions

How much power and torque does a Citro�n C4 1.6 THP 150hp gain with Stage 1?

About 35 hp and 60 Nm: from 150 hp / 240 Nm to roughly 185 hp / 300 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a Citro�n C4 1.6 THP 150hp use?

Bosch MED17.4.2.

Which tools can read a Citro�n C4 1.6 THP 150hp?

Autotuner and ByteShooter Toolbox.

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