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The importance of the DPF temperature sensor…

DPF temperature sensor

The particulate filter (DPF) temperature sensor is an important sensor in DPF systems for modern diesel vehicles. The temperature sensor measures the temperature of the DPF, which is important for monitoring the state of saturation of the filter and for regenerating the DPF when necessary.

The DPF is designed to trap soot particles emitted by diesel engines. However, as the soot particles accumulate in the filter, the exhaust gas flow resistance increases, which can lead to an increase in filter temperature.

How does it work?

The DPF temperature sensor measures the temperature of the filter and sends the temperature data to the engine control unit (ECU). The ECU uses this data to determine whether a regeneration is required to burn off the soot particles accumulated in the filter. If the filter temperature is too high or too low, this may indicate a problem with the DPF or with the sensor itself.

The DPF temperature sensor is usually located at the inlet or outlet of the particulate filter. The sensor is fitted with a temperature-sensitive element that can measure the temperature of the exhaust gases. The temperature data is transmitted to the ECU via an electrical signal.

It is important to replace the DPF temperature sensor if it is faulty or malfunctioning. Problems with the temperature sensor can lead to problems with DPF regeneration, which in turn can cause engine performance issues and increased emissions.
Vehicle manufacturers generally recommend replacing the sensor DPF temperature every 100,000 kilometers or every four years to ensure reliable and efficient operation of the DPF system.

You have a problem with your vehicle, such as loss of power, an engine warning light on, exhaust fumes, or you’ve failed your roadworthiness test for pollution, contact us.

Before replacing expensive parts, don’t hesitate to contact our FAP Cleaner technicians who can accurately diagnose your problems and suggest alternative solutions before replacing the parts.

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