Altima V6-3.5L (VQ35) (2003)
2. Check portion B of EVAP canister vent control valve for being rusted.
3. Check air passage continuity and operation delay time under the given conditions.
Make sure new O-ring is installed properly.
If NG, replace EVAP canister vent control valve.
If OK, go to next step.
4. Clean the air passage (Portion A to B) of EVAP canister vent control valve using an air blower.
5. Perform step 3 again.