Check the fuel pump check valve on the rear tank
All Technical Service Bulletins
Number Date Title
93S68 09/01/1993 Recall - Cross Tank Fuel Flow Condition
Some of the affected vehicles may experience a cross tank fuel flow condition due to a damaged check valve in the fuel pump/sender assembly. Fuel may be supplied from one tank and some or all of the unused fuel may be returned to the other tank. Should this occur, the capacity of the receiving tank may be exceeded and fuel may overflow from the filler cap. Fuel spillage in the presence of an ignition source could potentially result in a fire.
To correct this condition, the fuel pressure regulator will be replaced and a check valve will be installed between each fuel supply line and fuel tank.
Wednesday, September 8th, 2010 AT 8:33 AM