B4000 V6-4.0L SOHC (2005)
1. Disconnect the vapor tube from the fitting.
1. Squeeze the fitting ears.
2. Disconnect the vapor tube from the fitting.
2. Inspect the fitting and the tube for damage.
3. Remove any dirt or obstructions.
4. Push the tube into the fitting until it snaps in place.
5. Pull on the connection to make sure the fitting is secure.