Skoda Octavia NFL (2020-Present) DPF warning light is on how to fix

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the engine is cool.

2. Clear Diagnostic Codes

• Connect the OBD-II scanner to the vehicle’s diagnostic port.
• Clear any DPF-related error codes from the system to reset the warning light.

3. Perform a Forced Regeneration

• Ensure the vehicle has at least a quarter tank of diesel fuel.
• Use the diagnostic scanner to initiate a forced regeneration process, following the manufacturer's instructions.
• Allow the engine to reach operating temperature and maintain RPM as specified in the scanner.

4. Inspect and Clean DPF

• Disconnect the DPF from the exhaust system, taking care to note the orientation of any sensors.
• Use a specialized DPF cleaning solution or process, following product instructions.
• If cleaning does not resolve the issue, consider replacing the DPF.

5. Reassemble Components

• Reinstall the DPF, ensuring all connections are secure and properly torqued.
• Reconnect any sensors that were disconnected during the removal.

6. Final Checks

• Reconnect the battery if it was disconnected.
• Start the engine and check for any warning lights.
• Perform a test drive to ensure the DPF warning light remains off and the engine runs smoothly.