Code P1443 on a 1997 Mercury Tracer 2.0 engine indicates an issue with the evaporative emissions control system (EVAP). To repair it, first inspect the EVAP canister, purge valve, and associated hoses for leaks or damage. Replace any faulty components and ensure all connections are secure. Finally, clear the code using an OBD-II scanner and perform a test drive to confirm the issue is resolved.
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