fuel pump/ecu no reading on computer hook up, astra diesel 1.7 td 1999 ?

any one had this problem on a 1999 astra van 1.7 deisel.just cut out when driving, wont start, manually bled the pump, but no fuel comming out, hooked it up on the garage owners computer, but no reading for the pump why?.new pump and ecu for this gm engine is 2,grand from vauxhalls or 499 quid recon, any ideas got to get back on the road its low mileage and v/clean, wots the cheapest option, is there a club for this vehicle, that would know help please ,dully.