Hello all i have a proplem with my focus tdci 1.6 2005 model i start the car normally but after few seconds show a message engine system faul and cut off than i try to start up but wont start when i try the second time finally start up but than work fineee run good no problems ...... if i turn it off and start it again will start without prolbem but if i park the car and go next day to start will start again the samee cutt off and hard to start.... any ideas i have changed fuel filter a 3.000 km ago ... clean the fuel tank ....any ideas it doesnt sund working bad engine works well no noise.... but i have oil over my engine and some sensors are a little seal by oil can that cut off the engine ..becouse i know if some sensors doesnt show right the engine cutt of to protect the engine that the ford garage said to me .... but any ideas if someone had this problem too?

Have you had the fault codes read?  If so, what are they?

not yet i will send to  the garage in monday and they will check there today he said me ....first he will stop.the oil... and than clean the engine outside than put it in code reader