This Mercedes C220 CDI had been experiencing ongoing issues with its Diesel Particulate Filter (DPF) for some time. Despite multiple attempts to fix the problem, including replacing sensors and performing multiple cleans, and even a NEW DPF the issue persisted.

The owner had taken the car to several Garages, but none were able to identify the root cause of the problem. It wasn't until a particularly thorough inspection that a broken pressure sensor in the DPF system was discovered and the pipe to the sensor was blocked by an old sensor snapping when removed.

This small but crucial component had been the cause of the ongoing issues, and once it was replaced, the DPF system began functioning properly again.

This case highlights the importance of thorough diagnostics and the value of experienced mechanics who are familiar with the intricacies of modern diesel engines. It also underscores the importance of maintaining a vehicle's DPF system, as neglecting it can lead to costly repairs and downtime.

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