I finally managed to fix it. there were quite a few issues. The injector seal was not proper and 2 injectors were faulty.
If the injector is not sealed(copper) properly, there will be compression loss.
the car did start without MAF and some other sensors, but all major sensors were needed.
The timing was not an issue as it was correctly done.
Could be a few things really... Underneath the dash there will be a fan and type of air box chamber with ducting pipes that go off to their respective vents. The air flow through these ducts is normally directed by flaps that open and close depending on which vents you choose to have air flowing from.
Its possible that there could be a hose come adrift or ...