My 94 chevy pick up tbi 5.7 will start some times and die some times. When it dies there is no fuel comeing out of the injectors. There is plunty of fuel psi to and through the tbi. What could this be?

The ECM may be bad. Run through the tests in the link below:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-11.html#post2123675