NHTSA Complaint #10154543 — 2002 FORD F-150

I PURCHASED A USED 2002 FORD F150 4X4 FROM THE MANAGER OF A FORD DEALERSHIP. WITHIN 7 MONTHS A SPARK PLUG BLEW, WE DID NOT KNOW IT WAS SUCH A PROBLEM BUT WE REPAIRED IT AND A COUPLE OF MONTHS LATER IT DID IT AGAIN WE REPAIRED IT THINKING MAYBE WE DID NOT REPAIR THE FIRST ONE CORRECTLY. THEN A MONTH LATER IT DID IT AGAIN. I SEARCHED WEB SITES AND SAW IT WAS A GREATER PROBLEM. I TOOK MY TRUCK INTO A FORD DEALERSHIP-(WHICH SAY THEY CAN NOT REALLY SAY WHAT THE PROBLEM IS EXACTLY?) IT COULD BE FROM A BLOWN SPARK PLUG.. BUT REFUSE TO GIVE THAT AS A REASON? I WONDER WHY? SO THEY HAVE QUOTED ME ABOUT $3200.00 IN REPAIRS NOT INCLUDING LABOR, WHICH WILL TAKE IT UP TO ABOUT $5000.00!!! I CAN NOT AFFORD THIS AS IT TOOK EVERYTHING FOR ME TO PAY FOR THIS TRUCK, WHICH I FEEL WAS SOLD TO ME BY THE DEALERSHIP AND EVEN THE PREVIOUS OWNER OF THE TRUCK THAT KNEW OF A PROBLEM AND DID NOT DISCLOSE IT TO ME. SO MY TRUCK WILL SIT UNTIL I DECIDE WHAT TO DO, AS I MAKE MONTHLY CAR AND INSURANCE PAYMENTS ON IT. *NM