EVAP purge flow is not what the PCM expected.
ScanFixAI reads every module, finds the real root cause, and tells you exactly what to check.
Download ScanFixAI FreeTypical cost to fix P0441: $50-$300 · Difficulty: Easy
All makes — very common on Toyota
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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.