my Skoda Octavia NFL (2020-Present) has strange smells coming from the engine

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Allow the engine to cool completely before starting work.
• Disconnect the battery to ensure safety while working on electrical components.

2. Inspect and Repair Leaks

• Tools Required: Socket set, screwdrivers, rags.
• Sub-steps:
  1. Clean the engine bay with a degreaser to identify any leaks more easily.
  2. Inspect all hoses and connections for leaks. Replace any damaged hoses or connectors.
  3. If coolant leaks are found, replace the radiator or hoses as necessary, ensuring proper sealing.

3. Replace Contaminated Fluids

• Tools Required: Oil catch pan, funnel, replacement fluids.
• Sub-steps:
  1. Change the engine oil if it appears burnt or contaminated. Use the manufacturer-recommended oil type.
  2. Replace the coolant if there's any sign of contamination. Use a 50/50 mix of antifreeze and distilled water as specified by the manufacturer.

4. Inspect and Replace Damaged Components

• Tools Required: Torque wrench, pliers.
• Sub-steps:
  1. Inspect the catalytic converter for damage. If it’s clogged or damaged, replace it according to manufacturer specifications, ensuring proper torque on the exhaust connections.
  2. Check the exhaust system for leaks and replace any damaged gaskets or components as needed.

5. Final Assembly

• Reconnect the battery.
• Start the engine and let it run until it reaches normal operating temperature, checking for any lingering smells or leaks.
• Test drive the vehicle to ensure that the issue has been resolved.