Owner's Manual
Page 311
NOTE: If you replace your fuel cap with an aftermarket fuel filler cap, the customer warranty may be void for any damage to work improperly in the fuel tank can damage the fuel system or ... fuel cap, the pressure in a collision. u Pulling a heavy load on hot days, or at high u Extended periods of idling with an authorized Motorcraft or equivalent part. RPM increased above the normal idle range. altitudes. u Parking vehicle in the summer. It may be caused by: u Too volatile a fuel for extended 312 RWARNING...
NOTE: If you replace your fuel cap with an aftermarket fuel filler cap, the customer warranty may be void for any damage to work improperly in the fuel tank can damage the fuel system or ... fuel cap, the pressure in a collision. u Pulling a heavy load on hot days, or at high u Extended periods of idling with an authorized Motorcraft or equivalent part. RPM increased above the normal idle range. altitudes. u Parking vehicle in the summer. It may be caused by: u Too volatile a fuel for extended 312 RWARNING...