Ford Duratorq Engine - 2005 TDCi (PSA DW Based)

2005 TDCi (PSA DW Based)

Continuing the Ford/PSA diesel engine joint-venture, these straight-4 engines are again sold under the Duratorq TDCi name by Ford, and as the HDi by Citro├źn and Peugeot. An evolution of the existing DW10/DW12 engine, the new engines have a traditional belt-driven system, moving away from the chain-driven camshafts of the previous generation (Puma) TDCi engines. Both engines utilise common rail diesel technology and are the result of the fourth phase of the cooperation between PSA and Ford (initiated in 1998).

Both engines utilise all-new, third-generation common rail injection systems. The 2.0 engines utilising a system from Siemens and the 2.2 a system from Bosch. In both systems the injection pressure has been increased to 1800 bar. This higher injection pressure, associated with new piezo-electric injectors in which each nozzle is equipped with seven apertures (instead of five previously), allows the number of injections to be multiplied (potentially up to six per cycle) and ensures meticulous uniformity of the diesel injection spray pattern. As a result of this optimised air/diesel mix, combustion is more complete and more uniform, and therefore reduces emissions at source.

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