my Skoda Octavia NFL (2020-Present) has a strong fuel smell what's wrong

Solution

1. Preparation

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

2. Inspect and Replace Fuel Lines

• Tools Required: Socket set, wrenches, fuel line removal tool, safety glasses, gloves.
• Sub-steps:
  1. Locate the fuel lines running from the fuel tank to the engine.
  2. Use the fuel line removal tool to carefully detach the lines from their connectors.
  3. Inspect each line for cracks, leaks, or corrosion. Replace as necessary with OEM or high-quality aftermarket lines.
  4. Reconnect the new fuel lines securely, ensuring all clamps and connectors are tight.

3. Inspect and Replace Fuel Injectors

• Tools Required: Socket set, torque wrench, injector puller tool, cleaning solution.
• Sub-steps:
  1. Remove the engine cover if applicable to access the fuel rail.
  2. Disconnect the electrical connectors from the fuel injectors.
  3. Remove the fuel rail bolts using a socket set and gently lift the rail.
  4. Remove the injectors from the rail. Inspect O-rings for damage and replace if necessary.
  5. Clean the injector ports and install new or refurbished injectors, ensuring they are seated properly.
  6. Reattach the fuel rail and torque to manufacturer specifications.

4. Check and Replace Fuel Cap

• Tools Required: None.
• Sub-steps:
  1. Inspect the fuel cap for cracks or damage.
  2. If damaged, replace with a new fuel cap that meets vehicle specifications.
  3. Ensure the new cap seals tightly when closed.

5. Inspect and Replace Fuel Pump (if necessary)

• Tools Required: Socket set, screwdriver, fuel pressure gauge.
• Sub-steps:
  1. Locate the fuel pump in the fuel tank.
  2. Depressurize the fuel system by removing the fuel pump fuse and starting the engine until it stalls.
  3. Disconnect the electrical connectors and fuel lines from the pump.
  4. Remove the pump assembly from the tank and inspect for damage or leaks.
  5. Replace the pump with a new one if defects are found, ensuring all seals are properly installed.