my Skoda Octavia's engine is knocking what does that mean

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Ensure the vehicle is parked on a flat surface and the engine is cool.
• Disconnect the battery to ensure safety while working on electrical components.

2. Change Engine Oil and Filter

• Tools Required: Socket set, oil filter wrench, oil catch pan.
• Sub-steps:
  1. Remove the oil drain plug and allow old oil to drain completely into the catch pan.
  2. Replace the oil filter using the oil filter wrench.
  3. Reinstall the drain plug after oil has fully drained.
  4. Fill the engine with the manufacturer-recommended oil type and quantity.

3. Inspect and Replace Spark Plugs

• Tools Required: Spark plug socket, torque wrench.
• Sub-steps:
  1. Remove the ignition coils or wires from the spark plugs.
  2. Use the spark plug socket to unscrew and remove the old spark plugs.
  3. Inspect the spark plugs for wear and carbon buildup.
  4. Install new spark plugs and torque them to the manufacturer’s specifications.

4. Check and Repair Vacuum Leaks

• Tools Required: Smoke machine or carburetor cleaner.
• Sub-steps:
  1. Use a smoke machine to identify any vacuum leaks in hoses or the intake manifold.
  2. If leaks are found, replace the damaged hoses or reseal the intake manifold as necessary.

5. Verify Fuel Quality

• Tools Required: None specifically.
• Sub-steps:
  1. Drain the fuel tank if low-quality fuel is suspected.
  2. Refill with high-quality fuel that meets the vehicle’s octane requirements.