Frontier XE King Cab 2WD V6-3.3L (VG33E) (2001)
Leak Detector: Description and Operation
Evap Service Port
Positive pressure is delivered to the EVAP system through the EVAP service port. If fuel vapor leakage in the EVAP system occurs, use a leak detector
to locate the leak.
Refer to Evaporative System Service Port for further formation.