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Used cars – Check for this item when buying as it could cost you £1,000 if it isn’t there

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Motorists could be urged to check their used car for a diesel particulate filter (DPF) when buying it. A DPF is a legal requirement of a diesel car and drivers caught without one could face severe consequences including a huge fine. Since 2009, diesel particulate filters have been a standard feature on diesel cars. DPFs were installed into cars to effectively reduce a car’s emissions by filtering out the car’s harmful particulates and NOx.

The filter captures and stores soot from the car’s exhaust pipe in order to reduce the amount of emissions they produce.

According to the RAC, this feature of diesel cars can reduce exhaust emissions by as much as 80 per cent.

Drivers are warned that it is illegal to remove or tamper a DPF from their car.

Doing so could land car drivers a £1,000 fine and £2,500 for van owners.

In addition to this, repairing a broken filter can be incredibly expensive and cost between £1,000 and £3,500.

Maintaining a DPF is also crucial as they need to be cleaned regularly or otherwise they can become defective.

They need heat to be most efficient and driving at 40mph for around 15 minutes then the vehicle should clear the filter in a process called regeneration.

You may not naturally check a used car for a DPF when buying it but doing so could save you some cash.

Similarly, it is enough of a reason for you to fail your MOT test and the tester may refuse to check your vehicle until here is sufficient proof or reasoning for why it is missing.

Driver should not ignore a DPF warning light on their dashboard.

If a DPF warning light does appear on the dashboard it could be because the car needs to complete an active regeneration cycle to clear the DPF.

Travelling at stop/start urban speeds constantly could see the filter get clogged up much more quickly. In fact, city drivers are advised not to purchase cars fitted with a DPF.

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