A blocked DPF, associated warning lights and a vehicle in limp home mode are an all too common occurrence in diesel vehicles today.

The DPF system is designed to capture diesel particulates when the vehicle is driving in urbun areas and discharge then through regenerating on the open road.

However, if the opportunity for regeneration does not arise frequently enough then the DPF can become blocked.

Usually the first warning light indicates that you should undertake a regeneration cycle as describled in your owners manual.

If this is not undertaken the soot & ash build up will exceed the specified threshold for regeneration, the car will go into limp mode and the only option is to have the DPF replaced or cleaned.

We are able to offer:

DPF Forced Regeneration

DPF On Vehicle cleaning ( for excess soot accumulation)

DPF Off Vehicle cleaning ( for excess ash accumulation)

DPF Replacement

Please get in touch so we can help you with your DPF issues.


As of February 2014, new UK MOT regulations came into force stipulating that original equipment DPF units must still be in place. It is an offence under the Road Vehicles (Construction and Use) Regulations to use a vehicle which has been modified in such a way that it no longer complies with the air pollutant emissions standards it was designed to meet.

Removal of a DPF will almost invariably contravene these requirements, making the vehicle illegal for road use. The potential penalties for failing to comply are fines of up to £1,000 for a car or £2,500 for a light goods vehicle.

DPF removal is legal in certain countries and when used for off-road or motorsport – if in any doubt please take advice.

Open chat

If there is anything you want to ask us about remapping your vehicle, you can send us a message via WhatsApp.

Please include your vehicle registration and post code in your message, so we can get back to you with the correct tuning options and costs for your vehicle.

The MapTune Team