Trouble Starting.

[gypsyboy]

hello my other halfs car is starting to have starting problems.

2003 tdci 115bhp focus.

it would not start the other day but was turning over,the AA came and after undoing an injecter he told me i had a air lock in the fuel system.

the car was then fine.

it has since done it but started on its own a while later no AA needed.

today pulled up at the filling station and it would not start, tried 2 times before leaving for a minute then it started and gave itself a loud rev and some black smoke blew out the back, described as it sounded like it was clearing something.

so any ideas please? do you think it may be a split on the fuel syatem somewhere leaking air in?

cheers

[gypsyboy]

hello further to my original post i have now been told the problem is a cam sensor.

its over heating and cutting the engine out.

anyone with the same problems? how much to change or is it east to change?

cheers

[DMR]

i would get a diagnostics done first before splashing out on parts