Lift and support the fuel tank (page 7-6).Check the hoses between the fuel tank [1], EVAP canister [2], EVAP purge control solenoid valve [3] and throttle body [4] for deterioration, damage or loose connection.Also, check that the hoses are not kinked, pinched or cracked.Check the EVAP canister for cracks or other damage.Route the hoses properly (page 1-21).