Diesel vehicles are required to be fitted with a Diesel Particulate Filter (DPF) in the exhaust system to reduce emissions. Watch this video to understand the technology behind the DPF and differential pressure sensor in Land Rover vehicles. Connect with Land Rover:Website: http://www.landrover.comFacebook: http://www.facebook.com/landroverTwitter: http://twitter.com/landrover Instagram: http://instagram.com/landrover