whats are the differences between the pre 2004 tdci engine and the later version ?
( this question directed to Non US readers !)
according to wikipedia:
There are two 1.8 TDCI Diesel engines in the Focus;
1.8 L Duratorq diesel: 100 PS (75 kW) and 115 PS (86 kW) common rail (TDci)
mk2 2004 :
1.8 L Duratorq (Ford "Lynx" type)