as above i think my diesel pump has gone on my 2000 newer shape transit and i need it sorted, i always fix all my cars but i hate diesels and i would rather have somone else sort it as iv given up

i cant get it going
what type of price should i be looking at to take it to a garage? i will find a pump to keep the price down, i never take my car to garages because most of the time i know more than thay do and thay very rarly fix the problem in my experiance lol,
i had a astra van about a year ago and after taking it to a few garages to sort the problem i had to take it to vauxhall in the end because thay were all money robbers, at vauxhall thay charged me 250 to tell me it was 1 of lifes mysterys (actual words of the goon) so i was 500 out of pocket with nothing done


i am stuck, i cant fix my transit so i have no choice but to give it to the diesel garage down by me,
thanks for looking any advice would be great
thanks diesel