Check out this site , Bible for Surfs.
http://www.toyotasurf.asn.au
What year and engine size is it. manual or auto.
Check for all fuel lines reconected properly.
What colour smoke is it.
Did you have the pump rebuilt as well if not maybe pump is leaking
Is it hard to start, if so check glow plugs and rail reinstalled correctly.
If it is a 92 + model they have an electronically controlled pump which require special attention by credited Denso agents.
The more info you can surply the better the help you will receive.