Under full load light comes on, p1211 did ppt fuel pres ok , oil areation ok, icp during koer only goes to 2.0v should be 3.0v plugged each head ipr was same, installed known good ipr same, ppt indicates a bad high press pump unable to build press (also ipr at idle is 500 psi 50% which is high) Has anyone seen anything like this before? Thanks