I HAVE A 2002 DURAMAX I JUST PUT A NEW INJECTER IN AND I CAN FILL THE FUEL FILTER UP AND PRIME IT ( BUT THE PRIMER NEVER GETS HARD) AND IT WILL START AND RUN FOR 3 TO 5 MINS THEN SHUT OFF I OPEN THE PRIMMER SCREW AND ITS DRY PUMP AND PUMP AND NOTHING COMES OUT ANY HELP WOULD BE GREAT, TRIED COMPRESSED AIR IN THE TANK AND SAME STORY AND NO FUEL LEAKS