how to fix the P0441 code on my Toyota RAV4 XA50 (2019-2024)

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Ensure the vehicle is parked on a level surface and engine is cool.
• Disconnect the negative terminal of the battery to ensure safety during repairs.

2. Inspect and Replace Gas Cap

• Check the gas cap for cracks or damage.
• If defective, replace it with a new OEM gas cap.
• Tighten the new gas cap until it clicks to ensure a proper seal.

3. Inspect Evaporative Emission Control (EVAP) Components

• Remove the engine cover if necessary to access the EVAP components.
• Locate the purge valve and inspect for any cracks or disconnections in the hoses.
• If damaged, remove the purge valve:
  • Disconnect the electrical connector.
  • Remove the mounting bolts using a socket set.
  • Install the new purge valve, securing it with bolts to the specified torque (usually 68 in-lbs).
  • Reconnect the electrical connector.

4. Test the System

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear the P0441 code.
• Start the engine and allow it to reach normal operating temperature.
• Monitor the engine for any leaks or unusual sounds.

5. Final Checks

• Perform a smoke test on the EVAP system if the code reappears.
• Inspect for any additional leaks or faulty components in the EVAP system.