Other information:
Description
Variable Intake manifold Solenoid (VIS) valve is installed on the intake manifold.
The VIS valve controls the vacuum modulator which activates a valve in the intake
manifold. The ECM opens or closes this valve according to engine condition (Refer
to below table). ...
Be sure the exhaust system does not leak.
The exhaust system should be checked whenever the vehicle is raised to change
the oil or for any other purpose. If you hear a change in the sound of the exhaust
or if you drive over something that strikes the underneath side of the vehicle,
have the e ...