how to fix P0455 code on my Toyota Camry Seventh Generation (2012-2017)

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, screwdriver set, smoke machine (for leak testing), multimeter
• Safety Warnings: Disconnect the battery before starting work on electrical components. Allow the vehicle to cool down before working.

2. Inspect and Replace the Fuel Cap

1. Remove the fuel cap and inspect the rubber gasket for wear or damage.
2. If damaged, replace the fuel cap with an OEM part.
3. Ensure the cap clicks securely when reinstalled.

3. Inspect and Replace EVAP Hoses

1. Locate the EVAP hoses connected to the fuel tank, EVAP canister, and purge valve.
2. Use a socket set to remove any clamps securing the hoses.
3. Check for cracks or wear; replace any damaged hoses with new ones.
4. Reattach hoses securely and ensure proper routing.

4. Smoke Test the Evaporative System

1. Connect the smoke machine to the EVAP system (usually at the purge valve).
2. Turn on the smoke machine and look for smoke leaks.
3. Identify and repair any leaks found in hoses or connections.

5. Test and Replace the Purge and Vent Valves

1. Disconnect the electrical connectors from the purge valve and vent valve.
2. Use a multimeter to test the valves for continuity.
3. If the valves are faulty, remove and replace them.
4. Reconnect the electrical connectors securely.