Fuel Filler Cap - Isuzu 1999 RODEO Workshop Manual

6C–12 ENGINE FUEL (X22SE 2.2L)
General Description
Fuel filler cap includes vacuum valve.
In case any high vacuum happen in tank, the valve works
to adjust the pressure to prevent the tank from being
damaged.
Legend
(1) Vacuum Valve

(2) 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 valve has 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.
Fuel Filler Cap
140RW014