Which version is your system?
Here is a thread to "help" figure out
which fuel system that you may have:
viewtopic.php?t=10787&p=122193Historically speaking, common fuel issues are:
1) bad fuel pump (pressure too low).
2) bad check valve(s).
3) bad fuel regulator.
4) fuel getting hot somewhere
and vapor locking.
5) bad sensor or sensor wire(s) broken.
6) clog in filter or lines.
7) bad ground wire(s).
8 ) poor B+ connection(s).
9) bad inertial fuel pump switch (Ford)
10) incorrect fuel line used, wrong fuel
pump or fuel pump located too far from fuel
rails.
This article describes how you can see back pressure
in a F.I. system:
http://injectordynamics.com/articles/fu ... -explained