TL*THE CONTACT OWNS A 2004 JEEP LIBERTY 4X4. THE CONTACT STATED THAT WHEN FILLING THE TANK, THE ENGINE CAUGHT FIRE. THE VEHICLE WAS INSPECTED BY A DEALER THAT INFORMED THE CONTACT THAT THE PROTECTIVE CAPS TO THE VALVE STARTED THE FIRE. THE VEHICLE HAD NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 122,000.