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How to Clean the DPF Pressure Sensor on a Renault Trafic

Model: Renault Trafic MK 3 - Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Part: Diesel particulate filter

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Video tutorial

In this video, we see that when the DPF light comes on in the Renault Trafic, the reason could be this: the DPF pressure sensor may be dirty or clogged. To clean it, try blowing it out with compressed air. If air passes through, it is not blocked, but if it does not, it means it is obstructed, which is a fairly common issue with these vehicles.

WD-40 is the best remedy for this: let it sit for a few minutes, then use a long metal tube, like the one shown in the video, to push through and clean it; then blow it out with compressed air. If it blows through, it is fine; otherwise, you will need to repeat the procedure.


Updated on 5 September 2026 by ScegliAuto


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by ScegliAuto

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