FAULT FINDING KANGOO VAN?

I WAS DRIVING VAN IT JUST CUT OUT. THE GARAGE HAS HAD IT FOR THREE WEEKS. THEY FITTED NEW GLOW PLUGS, THEY GOT INJECTORS TESTED, THEY SAY 3 WAS FAULTY SO THEY REPLACED THEM, NOW THEY SAY ITS THE FUEL PUMP. WHICH THEY HAVE FITTED TOOK 4 HOURS, THEY NOW ARE HAVING PROBLEMS RECODING THE PUMP I'M TOLD THE COMPUTOR IS NOT WORKING SO THEY CANNOT FINNISH THE JOB.AT A GUESS I RECKON THE BILL IS WELL IN EXCESS OF 1K AND THE VAN STILL ISN'T WORKING.ANY ADVISE.PLEASE