|
2.Disconnect the vacuum hose
from the swirl control valve (SCV) actuator, and then
connect
a vacuum gauge via the Tee-fitting.
3.Start the
engine and verify that a vacuum is applied to the vacuum
gauge.
|
|
4.As described in the chart
below, vary the engine speed to inspect the vacuum
conditions.
During this inspection, verify that the rod of the swirl
control valve (SCV) actuator is operating.
|
|
Engine
speed
|
Normal
condition
|
Control
valve
|
2,800 r/min or
less
|
Vacuum
maintained
|
Closed
|
3,200 r/min or
more
|
Vacuum leaks
|
Open
|
|
|