Daihatsu F300 Service Manual page 1363

EMISSION CONTROL SYSTEM
INSPECTION OF EGR VACUUM MODULATOR
1. Remove the EGR vacuum modulator.
2. Plug the port P with your finger. Blow air into the port Q.
Ensure that air continuity exists.
If no air continuity exists, replace the modulator.
3. Apply a pressure 49.0 kPa (0.2 kgf/cm
2
)
to the pressure
discharge port of the modulator, using a MityVac.
Under this setting, blow air into the modulator through the
port
Q
with the port P plugged by your
f1nger.
Ensure that
no air continuity exists.
If air continuity exists, replace the modulator.
INSPECTION OF EGR VSV
(See page EF-181.)
EC--24
•
Q
Air
•
WFE90-EC073
•
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