Fuel Cut RPM

INSPECTION


INSPECT FUEL CUT OFF RPM
a. Increase the engine speed to at least 3,500 r.p.m.
b. Use a sound scope to check for injector operating noise.
c. Check that when the throttle lever is released, injector operation noise stops momentarily and then resumes.




3. INSPECT EVAPORATIVE EMISSION CONTROL SYSTEM
a. After starting the engine, disconnect the vacuum hose shown in the illustration.
b. Confirm vacuum occurs at the VSV port, when choosing "ACTIVE TEST" and "PURGE VSV" according to the display on hand-held tester.
c. Finish "ACTIVE TEST", then connect the vacuum hose again.

d. After going to "ECM DATA MONITOR" on the hand-held tester, choose "PURGE VSV" to check the operation of the purge VSV.
e. After warm up the engine and drive the vehicle, confirm the VSV turns on from off.