Audi A4 Particulate Filter Warning Light

If a build up of soot occurs this can cause the light to illuminate.

Audi a4 particulate filter warning light. Why is my dpf warning light on. Diesel particulate filtering was first considered in the 1970s due to concerns regarding the impacts of inhaled particulates. They are roughly ordered by importance which tends to be by color red amber yellow orange green blue gray but there are nearly 80 of them so be patient. If the emmission control light and or the engine managment warning light come on at the same time as the dpf there s a more serious fault.

By spencer cates on september 08 2016. The jlm dpf doctor uk shows us the process and his results on an audi a4 2 0tdi diesel using jlm dpf cleaner. How to reset your volkswagen dpf diesel particulate filter light. The diesel particulate filter light turns on when the soot level from the diesel exhaust is high and your car is at risk of going into limp mode.

At this point you should contact your recovery company or volkswagen assistance on 0800 777192 if your vw is under 1 year old phaeton touareg have a 3 year breakdown cover. If faulty this will send an incorrect message to the ecu instructing it light up your dash and place the vehicle in limp mode. Particulate filters have been i. The following are warning lights and indicators found in vehicles built by audi.

The easy one to fix is to replace a sensor that calculates the air flow through the filter. If the light appears it s recommended to do a journey between 10 30. This light can often illuminate if you use your audi for lots of short journey at low speed. A particulate filter removes soot from the exhaust which is then burnt off on longer drives.

Jlm not only clean. Well there could be two reasons for this on an audi.