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