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Q: Service engine soon light on 1998 Nissan Sentra

Hi, I my service engine soon light came on and are showing the codes:P0440 and P1448. This just happened.
Can you tell me what these two codes mean.
Thank you for your time.
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Assuming that you have a 1.6 litre engine.

Vehicle Application: 1998 Nissan Sentra 1.6L, Vin A, Eng Des GA16DE

Customer Concern: Trouble codes P0440 and P1448.
Tests/Procedures: 1. Blow through the canister vent control valve with the key off. It should be easy to blow through.

2. With the ignition switch on, ground the Purple/White trace wire. One should not be able to blow through the solenoid at this time.
Potential Causes: Canister Vent Control Valve

Tech Tips: The canister vent control valve is a common failure on this vehicle.
Diagnostic Codes: P0440, P1448
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