From 138 hp to about 165 hp: the Citro�n C4 2.0 HDi 138hp (2004 – 2010) becomes noticeably stronger and more responsive with Stage 1 software. Torque climbs from 320 Nm to about 380 Nm.

This is a diesel engine with a displacement of 1,997 cc and engine code DW10FD. The engine is controlled by the Siemens/Continental SID803A and Delphi DCM3.4. The software file can be written with tools such as Alientech K-TAG, Alientech KESSv2, Autotuner, ByteShooter Toolbox, CMD CMDFlash and 1 more.

Besides Stage 1, the following options are available for this vehicle: Adblue, EGR OFF, DTC Removal, FLAPS, DPF OFF and Vmax.

Frequently asked questions

How much power and torque does a Citro�n C4 2.0 HDi 138hp gain with Stage 1?

About 27 hp and 60 Nm: from 138 hp / 320 Nm to roughly 165 hp / 380 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a Citro�n C4 2.0 HDi 138hp use?

Siemens/Continental SID803A and Delphi DCM3.4.

Which tools can read a Citro�n C4 2.0 HDi 138hp?

Alientech K-TAG, Alientech KESSv2, Autotuner, ByteShooter Toolbox, CMD CMDFlash and MagicMotorsport Flex.

Which extra options are available for a Citro�n C4 2.0 HDi 138hp?

Adblue, EGR OFF, DTC Removal, FLAPS, DPF OFF and Vmax.

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