fuel filter problem

[patrick1062]

could anyone please help.
a guy changed my fuel filter today when i picked car up it was very sluggish. the aa came out and turned a screw under the fuel filter no fuel drained out you could just here air and gurgling. he couldn't find the problem. when he removed the inlet hose it would not start again. when he left i had a look the inlet hose seems not as tight as the outlet hose could it be this. anyway i pushed the hose in out where it was moving and the engine fired up car is running but very underpowered any ideas would be appreciated.
vectra c
02 reg
2.0 dti

[lesj]

The system is supposed to be 'self-bleeding', this is achieved by starting the car and then running it at a high tick over until the enging runs smoothly.

[paulvectrac]

they are not self bleein mate i changed mine not so long ago need 2 bleed the system mate

[John LE]

Be carefull with bleeding a DTi. The pumps are not up to the task of bleeding the system and a will break if the engine keeps getting turned over. Use a bulb pump or similar to purge the system first.

[paulvectrac]

thats what i used john as you say

[patrick1062]

have driven car home tonight could not revs above 3000 and speed above 50mph does this mean system needs bleeding

[John LE]

More than likely, just don't drive it untill its bled, the pump is around about a grand to replace

[paulvectrac]

i think i would try it mate 2bh its worth a try

[patrick1062]

should i let a garage bleed it as i havent got a clue. do i need to turn the screw on the bottom of the filter. and why would nothing flow out when the aa tried it. would the car drive if the pump was on its way out
cheers lads

[paulvectrac]

yes it would drive if the pump was on it way out if it was 2 brake it wouldnt do out apart from turnin over mate its easy bleed there might be somet on here 2 help bleed it mate