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CRANKCASE EMISSION CONTROL SYSTEM
CRANKCASE EMISSION CONTROL SYSTEM
Ventilation Hose
l=:::iln~take
Manifold
---
_
........
Injector
Throttle Body
Surge Tank
pev
Valve
--
Air Intake Hose
\
~------\-,-----~
COM PO N ENTS
Air Filter
---
Blow-by Gas -----..
Fresh Air
From Rocker
Cover~
"
"
~
To Intake Manifold
~~~
Plunger
Spring
29Y017
NOTE
The plunger inside the PCV valve will move back and forth.
3.
If vacuum is not felt, clean the PCV valve and ventilation
hose in cleaning solvent or replace if necessary.
1.
Disconnect the ventilation hose from the positive crankcase
ventilation (PCV) valve. Remove the PCV valve from the
rocker cover and reconnect it to the ventilation hose.
2.
Run the engine at idle and put a finger on the open end of
the PCV valve and make sure that intake manifold vacuum
is felt.
INSPECTION
Y29DAOA
29-9
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