XC90 FWD L6-3.2L VIN 98 B6324S (2007)
Connect power to solenoid. Solenoid should click.
Blow through center hole with compressed air.
Air should emerge from outer hole (2).
If plunger is sticking or solenoid fails to operate electrically, the direction of flow will be unchanged from step 1.
VVT solenoid, cleaning