A Citroen C4 2.0 HDi 138hp (2004 – 2010) makes about 165 hp and 380 Nm with Stage 1 software, compared with 138 hp and 320 Nm from the factory. That is 27 hp and 60 Nm extra.

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 Citroen 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 Citroen C4 2.0 HDi 138hp use?

Siemens/Continental SID803A and Delphi DCM3.4.

Which tools can read a Citroen 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 Citroen 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.