1997 Ford Thunderbird CODE P1443

There are a few:

Possible Causes:
- Pinched, blocked or plugged fuel vapor tubes/hoses
- Damaged EVAP canister
- Disconnected, cracked or cut fuel vapor tubes/hoses
- Damaged EVAP canister purge valve

WIth the engine running, open the hood and listen for a hissing sound that could indicate a leak. Also, check for fuel smell in the engine compartment or near the EVAP canister.