WHY WONT MY TRUCK STAY RUNNING
I HAVE A 1991 GMC 2500 WITH A 5.7 THROTTLE BODY i THOUGHT THE FUEL PUMP WAS OUT BECAUSE IT WOULD START AND RUN FOR 15MIN THEN DIE WHEN I TRYED TO START IT BACK UP IT ONLY TURNED OVER NOT FIREING UP SO I CHANGED OUT PUMP AND FILTER BUT ITS STILL DOING THE SAME THING iM STUMPED