1. Open the hood of your minivan.
2. Look near the fuel injector rail, which is located on top of the engine.
3. The purge solenoid will be a small, cylindrical-shaped component with two hoses and a connector attached to it.
4. The hoses are usually black and the connector is usually white or gray.
If you are still having trouble locating the purge solenoid, you can consult your vehicle's repair manual or contact a qualified mechanic for assistance.