Mitsubishi Eclipse 1990 Service Manual page 791

ENGINE AND
Vacuum
Engine speed
CONTROL
PURGE PORT VACUUM CHECK
1. Disconnect the vacuum hose from the throttle body purge
vacuum nipple and connect a hand vacuum pump to
the nipple.
2. Start the engine and raise the speed. Vacuum should
be kept constant regardless of the increased engine
speed.
NOTE
If no vacuum is generated, the throttle body purge port
may be clogged.
EVAPORATIVE
CHECK
NOTE
When disconnecting the vacuum hose, place an identification
mark on it for
1. Disconnect 'the vacuum hose from the solenoid valve.
Disconnect the harness connector.
2.
3. Connect a hand vacuum pump to nipple (A) of the solenoid
valve (refer to the illustration at left).
4. Check air-tightness by applying a vacuum with voltage
applied directly from the battery to the purge control sole-
noid valve.
Measure the resistance between the terminals of the sole-
5.
noid valve.
Standard value: 25-35
AFUOO
Emission
PURGE SOLENOID
reconnection.
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