Trooper LTD 4WD V6-3.5L (2002)
Fuel Filler Cap: Testing and Inspection
FUEL FILLER CAP / INSPECTION
Check the seal ring in the filler cap for presence of any abnormality and for seal condition.
Replace the filler cap, if abnormal.
CAUTION: The fuel filler cap valves have characteristics.
A defective valve, no valve at all or a valve with the wrong characteristics will do a lot of harm to engine operating characteristics; be sure to use the
same fuel filler cap as installed in this vehicle.