how to troubleshoot P0455 code in Tesla Outback 6th Generation (2020-2024)

• •Check engine light illuminated
• •Increased fuel consumption
• •Strong fuel odor, particularly after refueling
• •Difficulty in starting the engine after refueling
• •Failed emissions test

1. 1Scan the vehicle's onboard computer using a professional OBD-II scanner to confirm the P0455 code and check for additional codes.
2. 2Inspect the gas cap for cracks, damage, or improper sealing; ensure it is tightened correctly.
3. 3Visually inspect EVAP hoses and lines for any signs of damage, disconnections, or wear.
4. 4Check the EVAP canister for cracks or damage and ensure that it is securely mounted.
5. 5Use a smoke machine to test for leaks in the EVAP system by introducing smoke into the system and observing for any escaping smoke.
6. 6Inspect the purge valve operation by applying voltage to it and confirming that it opens and closes properly.

After completing the repair, verify that the issue has been resolved:

• ✓Test the affected component to ensure it functions correctly
• ✓Check for any error codes or warning lights
• ✓Monitor the vehicle for a few days to ensure the issue does not recur

To prevent this issue from occurring again:

• •Follow the manufacturer's recommended maintenance schedule
• •Address warning signs early before they develop into major issues
• •Use quality parts and fluids recommended for your vehicle
• •Keep detailed records of all repairs and maintenance

• •OBD-II scanner
• •Smoke machine
• •Multimeter
• •Socket set
• •Screwdriver set

• •New gas cap (if necessary)
• •EVAP hoses (if damaged)
• •EVAP canister (if damaged)
• •Purge valve (if malfunctioning)