my Volkswagen Golf MK7.5 (2020-Present) has a smell of gasoline what's the cause

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the engine is cool.
• Disconnect the battery to prevent any electrical issues while working.

2. Inspect and Repair Fuel Lines

• Sub-steps:
  • Locate the fuel lines running from the fuel tank to the engine.
  • Visually inspect for cracks or damage.
  • If damaged, replace the affected fuel line sections using a socket set.
  • Secure connections with hose clamps and ensure they are tight.
• Tools Required: Socket set, hose clamps
• Safety Warnings: Handle fuel lines carefully to avoid spills; have a fire extinguisher on hand.

3. Check and Replace Fuel Injectors

• Sub-steps:
  • Remove the engine cover if present.
  • Disconnect the electrical connectors from the fuel injectors.
  • Remove the fuel rail bolts and gently pull the fuel rail away from the engine.
  • Inspect the O-rings on the injectors for wear; replace if necessary.
  • Reinstall the fuel rail and reconnect the injectors and electrical connectors.
• Tools Required: Torque wrench, socket set
• Safety Warnings: Ensure fuel system is depressurized before working on injectors.

4. Inspect and Replace Fuel Cap

• Sub-steps:
  • Remove the fuel cap and inspect the rubber seal for cracks or wear.
  • Replace the fuel cap if the seal is damaged or if the cap does not click securely when closed.
• Tools Required: None required for this step.

5. Repair or Replace Fuel Tank

• Sub-steps:
  • If a leak is found in the tank, remove the tank by disconnecting the fuel lines, electrical connectors, and supporting straps.
  • Inspect for corrosion or damage.
  • Repair minor damage with a fuel tank repair kit or replace with a new fuel tank if necessary.
• Tools Required: Socket set, fuel tank repair kit or new fuel tank
• Safety Warnings: Fuel can ignite easily; ensure proper ventilation and no ignition sources nearby.