Mitsubishi Eclipse Workshop Manual page 242

17-10
EMISSION
CONTROL
-
Service Adjustment Procedures
When engine is hot
*
The vacuum will
leak continuously
if the
atmospheric
pressure is
approximatelv
77
kPa
(580
mmHg, 22.8
in.Hg)
or
less,
or the
temperature of the
intake air
is
approximately
50'C l122Fl or
higher.
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Purge Port
Vacuum
Inspection
Check Condition
Engine coolant temperature:
80-
95"C
(1
76-203'F)
(1 )
Disconnect the vacuum hose from the throttle body purge
hose nipple and connect
a
hand vacuum pump to
the
nipple.
(2) Start the engine and check to
see that.
after
raising the
engine speed
by
racing the
engine. P vacuum
is
kept
constant regardless of the increased engine
speed.
NOTE
lf there is no vacuum created,
it is possible that the throttle
body
P
port
may be clogged and require cleaning.
Purge
Contrcl Solenoid
Vahrc Inspection
NOTE
When disconnecting the vacuum hose, always
make a mark
soi..
that the hose can be reconnected at original
position.
(1)
Disconnect the vacuum hose (black, red stripes) from
solenoid
valve.
(2)
Disconnect
the
harness.
I
53
kPa
(400
mmHg,
15.7
in.Hg)
Engine status
3,000 r/min.
Vacuum
will
leak for
approximately 3
minutes after the
enoine is
started.
Aftär
3
minutes haw
elapsed.
the vacuum
will
be maintained
momentarily. after
which it will
again
leak.'
Purge hose
nipple
ffi
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