DPF FILTER OVERVIEW

A Diesel Particulate Filter, sometimes called a DPF, is a device designed to remove diesel particulate matter or soot from the exhaust gas of a diesel engine. DPF's usually remove 85% or more of the soot. In addition to collecting the particulate, a method must exist to clean the filter. Most filters are designed to burn off the accumulated soot through the use of active technology, such as a fuel burner which heats the filter to soot combustion temperatures, through engine modifications. The engine is set to run a certain specific way when the filter load reaches a pre-determined level, which will oxidize the particulates at relatively low temperatures. This is known as 'filter regeneration'. The first indication of a fault is usually the EML (Engine Management Light) coming on. If you have a problem with the DPF not regenerating, then the alternative may be a forced regeneration, much cheaper than replacement costs of anything up to £1000. We have the necessary equipment and software to carry out these tasks at considerably less cost than DPF replacement.

WHY CHOOSE US

We are a local, independent garage serving Knutsford and the surrounding areas. Established in 1988 and with many years experience gained by our fully qualified technicians, Autopoint continues to provide a comprehensive package combined with unrivalled Customer Service for all your motoring needs.

POPULAR QUESTIONS

  • Can you drive with a blocked DPF?

    yes, but we would not recommend it. If you ignore the DPF light and continue driving, the build-up of soot will soon reach a point your car has to enter 'limp-home' mode in order to prevent any damage to your cars engine.

  • How long does a DPF filter last?

    A DPF can last up to around 100,000 miles if maintained properly.

  • How do you know if your DPF needs replacing?

    There are a few symptoms but the common ones are: Your car surges or has poor performance, excessive fuel consumption, excessive exhaust smoke (white, blue or black), engine and/or DPF emissions lights displayed, difficult starting or the engine runs rough.

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