any ideas? it randomly dies sometimes sitting still especially on hills and will not rev over 4000rpms ecu threw a code 10 for iat well we raplaced the iat cleared the code and it still wont go over 4000 every once in a while you can it to but its still not throwing a code? any one else ever had this problem? any help would be great.

distributer

checked the dizzy a little dirty but good and dont know why but we neglected to checked fuel system too so yea.... no fuel pressure at the fuel filter so know i guess i get to drop the tank and change the pump