2008 FORD F-350 Fuel System Diesel Problems

2008 F350 FORD TRUCK, BAD HIGH PRESSURE FUEL PUMP. FORD REFUSING TO SUPPORT THEIR WARRANTY. RUNNING ROUGH, WITH NO HIGH END POWER. STALLED WHILE TRYING TO PULL OUT INTO BUSY TRAFFIC. SLOWED TO 20MPH IN MIDDLE OF HIGHWAY TRAFFIC. FORD DEALER ANALYZED TROUBLE TO HIGH PRESSURE FUEL PUMP WHICH SHOULD BE COVERED BY FORD 100,000 MILES/5YR WARRANTY. FORD WILL NOT SUPPORT THEIR WARRANTY DUE TO RUST FOUND IN FUEL TANK. RUST IN THE SYSTEM WOULD BE A FAILURE OF FORDS FILTERING SYSTEM / DESIGN WHICH SHOULD BE COVERED BY WARRANTY. COST OF REPAIR IS $8500. *TR

3 TIMES IN THE LAST 6 MONTHS MY FORD F350 HAS SHUT DOWN WHILE I AM DRIVING, IT LOCKS ME OUT SO I CAN'T EVEN TURN THE ENGINE OVER AND I HAVE TO TRY TO COAST TO A SAFE PLACE OUT OF TRAFFIC. ALL 3 TIMES THE FUEL GAUGE READS OVER 50 MILES TO EMPTY, THE LAST TIME IT READ 140 MILES TO EMPTY. THE FUEL LINES ARE SUCKING IN AIR, I GET HIGH AND LOW PRESSURE CODES, I ADD MORE FUEL(DEISEL) AND THEN HAVE TO BLEED ALL OF THE LINES OF AIR AND PRIME THE PUMPS. I HAVE TO DO THIS ON THE SIDE OF THE ROAD OR IN A PARKING LOT IF I AM FORTUNATE ENOUGH TO MAKE IT THAT FAR. I PULLED THE TANK AND PULLED THE FUEL SENDING UNIT OUT, UPON CLEANING OUT THE TANK FOUND A PLUNGER ROLLING AROUND. THIS PLUNGER GOES IN THE FUEL...