Fuel issue for z150txra stalls at any rpm

[firedog654ibew]

Yes have tested all parts up to VSU. Replaced all filters every year and replaced all fuel lines. Medium fuel pressure 48 psi high fuel pressure 675 psi . In the water can not go above 2200 rpm and motor stalls need to prime motor to be able to restart. Interface connected shows no issues. Please help

 

[99yam40]

does the rail pressure and the other pressure drop when this happens?