Some of the most asked questions are about DPF Fault Codes and DPF Fault Code clearing. The Valley Filters DPF cleaning service is available for most makes and models of vehicles in Ireland. If your car is reporting any of the DPF fault codes in the list below, Valley filters can help. If your diesel vehicle isn’t on the list below, we may still be able to clean your DPF. Submit the Quick Inquiry form with your details or phone 042-966-2365 for more help and advice.
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P2002 Fault Code – Particle Filter Bank 1 Malfunction
The OBD code P2002 indicates an issue with the efficiency of the DPF (Diesel Particulate Filter), a crucial component in reducing emissions by trapping soot from diesel engines. Affected vehicles…
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P2003 Fault Code – Particulate Trap Efficiency Below Threshold
The OBD code P2003 indicates an issue with the efficiency of the DPF (Diesel Particulate Filter), a crucial component in reducing emissions by trapping soot from diesel engines. Affected vehicles…
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P242F Fault Code – Diesel Particle Filter Restriction
The OBD code P242F indicates that the DPF (Diesel Particulate Filter) is restricted or blocked with ash accumulation. Affected vehicles include: Fault Particulate Filter Restriction Bank 1 Meaning Diesel Particulate…
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P2452 Fault Code – Particulate Matter Trap Differential Pressure Sensor Circuit
The OBD code P2452 indicates an issue with the DPF Pressure Sensor ‘A’ Circuit. This could be due to a faulty pressure sensor, wiring problems, or issues with connectors, which…
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P2453 Fault Code – Diesel Particle Filter Differential Pressure Sensor: Implausible Signal
The OBD code P2453 relates specifically to the DPF Pressure Sensor “A” and its range or performance within the system. The P2453 code suggests that the signal coming from the…
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P2463 Fault Code – Diesel Particle Filter: Excessive Soot Accumulation
The OBD code P2463 Diesel Particulate Filter Restriction – Soot Accumulation indicates a restriction in the DPF due to the accumulation of soot. The DPF filter is an essential component…



