why does my Toyota Highlander XU70 (2020-Present) smell like gas

Solution

1. Preparation

• Tools Required: OBD-II scanner, flashlight, rags, safety glasses, gloves.
• Ensure the vehicle is parked on a flat surface and the engine is cool.

2. Repair Fuel Lines (if leaking)

• Sub-steps:
  1. Relieve fuel system pressure by removing the fuel pump fuse and starting the engine until it stalls.
  2. Disconnect the negative battery cable.
  3. Locate the damaged section of the fuel line.
  4. Cut out the damaged section and replace it with a new fuel line section.
  5. Secure all connections with appropriate clamps.

3. Replace Fuel Injector Seals (if faulty)

• Sub-steps:
  1. Remove the engine cover (if applicable) for access.
  2. Disconnect the fuel injector electrical connectors.
  3. Remove the fuel rail bolts and carefully lift the fuel rail with injectors.
  4. Remove the old seals and replace them with new ones.
  5. Reinstall the fuel rail and reconnect connectors.

4. Repair or Replace EVAP System Components (if leaking)

• Sub-steps:
  1. Inspect the EVAP canister and hoses for cracks or disconnections.
  2. Replace any damaged components with OEM parts.
  3. Ensure all connections are secure and properly fastened.

5. Test for Leaks

• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Turn the ignition to the ON position (do not start) to pressurize the fuel system.
  3. Check all repaired areas for any signs of fuel leaks.