Hyundai Sonata 1991 Shop Manual page 216

EVAPORATIVE EMISSION CONTROL SYSTEM
EVAPORATIVE EMISSION CONTROL SYSTEM
COMPONENTS
Air filter
Fuel pump
Fuel filler cap
(Vacuum relief)
Overfill limiter
(Leveling pipe)
Thermal expansion
volume
l
Fuel gauge unit
Overfill limiter
(2-way valve)
, - ,
,
,
,
,
t
Filter
-
Purge-control
solenoid
I
valve :
\
Engine Canister
Charcoal-H~h
Fuel injector
---
-
Purge air
Fuel vapour
29Y023
CANISTER
Y29EAOA
When the engine is not running, fuel vapours generated inside
the fuel tank are absorbed and stored in canister.
When the engine is running, the fuel vapours contained in
canister are drawn into the surge tank through the pu'ge control
solenoid valve.
Vapour from fuel tank
To purge control
valve
wf(t;~~~~
~
Charcoal
~
29Y024
29-11