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What is the P1441 code for a 2000 Chevrolet Impala?

P1441 on a 2000 Chevrolet Impala indicates a problem with the EVAP (Evaporative Emission) system purge control valve circuit. This valve is responsible for releasing fuel vapors from the charcoal canister into the engine to be burned. The code means the PCM (Powertrain Control Module) is detecting a malfunction in the circuit controlling this valve. This could be due to a faulty purge valve itself, wiring issues, a bad canister, or even a vacuum leak in the EVAP system.