2.6 non starter

[hcloseuk]

i have a 1989 2.6 auto that refuses to start all ignition items have been replaced and getting a good spark/ fuel pumps have been checked and are both fine also a new fuel filter has been fitted its getting fuel to the distributor head ok but does not seem to be getting through the injectors i have been told a possible faulty fuel distributor head then some say they are very reliable rarely give problems any ideas would be very gratefull