Mazda 121 - Check Valve Inspection; Charcoal Canister

F
EVAPORATIVE
EMISSION
CONTROL
SYSTEM
2. Verify
that no
air flows
through
the valve
lrom
port
@
as
shown
in the
fgure.
3.
Replace
the fuel vapor
valve
if necessary.
CHECK
VALVE
GWO-WAY)
Inspecilon
1. Remove
the
valve.
2. Check
the operation
of the valve
with a
vacuum
pump.
3. Replace
the check
valve
if not as specified.
CHARCOAL
CANISTER
Inspectlon
1. Visually
check
for damage and
cracks
2. Blow air
into each
port
and verify
that
they are
not clogged.
3. ReDlace
the charcoal
canister
if not as
specified
Blow f,lrough
valve lrcm
Pon @
Apply approx.
37
mmHg
(1.46 inHg)
vacuum at
port
@
Apply approx.
44 mmHg
(1.73
inHg)
vacuum
at
port
@
F-l02