The fuel system 1, wherein the throttle valve comprises a spring urging the throttle valve to {HEAD ~ a closed position} preventing fuel from flowing to {TAIL ~ the nozzle outlet passage} 
The fuel system 1 , wherein the throttle valve comprises a spring urging the throttle valve to { HEAD ~ a closed position } preventing fuel from flowing to { TAIL ~ the nozzle outlet passage }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL