Originally Posted by feestk150
sounds like it aint pressurising the system properly b4 start up. U know, that buzz the feul pump makes when u turn ignition on. Mite b a relay?
I will c if i can find out

A good point but these systems should maintain pressure. The prime is there to ensure a positive re-start but in most cases even without a prime the pressure is sufficient. Don't overlook this though its a good point none the less