how to fix the P0455 code on Honda CR-V Sixth Generation (2023-present)

Solution

1. Preparation

• Gather all necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the engine is off.
• Disconnect the negative battery terminal to prevent electrical issues.

2. Inspect and Replace the Gas Cap

• Remove the gas cap and visually inspect for cracks or damage.
• If damaged, replace with an OEM or compatible gas cap.
• Reinstall the new gas cap securely.

3. Repair or Replace Damaged Hoses

• Identify any damaged or cracked hoses in the EVAP system.
• Using a socket set, disconnect any clamps securing the hoses.
• Replace the damaged hoses with new ones ensuring proper size and fit.
• Reconnect the hoses and secure clamps tightly.

4. Replace the EVAP Purge Valve (if faulty)

• Locate the EVAP purge valve, usually near the intake manifold.
• Disconnect the electrical connector and vacuum lines from the valve.
• Remove the mounting bolts using a socket set and take out the valve.
• Install the new EVAP purge valve in reverse order and reconnect all lines.

5. Perform Smoke Test

• Connect a smoke machine to the EVAP service port.
• Turn on the smoke machine and watch for smoke leakage.
• Identify any leaks and repair or replace the affected components as needed.

6. Reconnect Battery

• Once repairs are complete, reconnect the negative battery terminal.
• Start the vehicle and let it run for a few minutes to ensure the system is operating correctly.