my Toyota Highlander XU70 (2020-Present) smells like gasoline, what could it be

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked in a well-ventilated area and away from open flames.
• Disconnect the battery to prevent any electrical sparks.

2. Inspect and Replace Fuel Lines

• Inspect Fuel Lines:
  • Visually check all fuel lines for cracks or leaks.
  • If damaged, proceed to replacement.
• Replacement Procedure:
  • Use a wrench to loosen the fittings at both ends of the damaged fuel line.
  • Carefully remove the line and replace it with a new one.
  • Ensure all connections are tight and no fuel leaks are present.

3. Check and Replace Fuel Injectors

• Inspect Injectors:
  • Remove engine covers if applicable to access fuel injectors.
  • Check for leaks around the injector seals.
• Replacement Procedure:
  • Disconnect the electrical connectors from the fuel injectors.
  • Use a socket to remove the injector retaining bolts and pull out the old injectors.
  • Lubricate the O-rings on the new injectors and install them.
  • Reattach the retaining bolts and electrical connectors.

4. Evap System Inspection and Repair

• Check the Charcoal Canister:
  • Locate the charcoal canister and inspect for cracks or damage.
• Replacement Procedure:
  • Disconnect the hoses attached to the canister.
  • Remove the mounting bolts and take out the canister.
  • Install the new canister and reconnect the hoses.

5. Final Checks

• Reconnect the battery after all repairs.
• Start the vehicle and check for any fuel odors or leaks.
• Clear any error codes that were logged during diagnostics.