DPF- Diesel Particular Filter
Modern diesel cars (since 2009) have to be fitted with a Diesel Particulate Filter (DPF) in the exhaust to stop soot passing into the atmosphere. The aim is to cut in particle emissions by 80%, but the technology is not without problems. The primary issue is the DPF getting clogged with soot. This results in the car going into 'limp mode' or worse. DPF replacement can cost £1000 plus.
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Exhaust Gas Recirculation
In internal combustion engines, exhaust gas recirculation is a nitrogen oxide emissions reduction technique used in petrol/gasoline and diesel engines. EGR works by recirculating a portion of an engine's exhaust gas back to the engine cylinders. This is put in place to help the system be more greenhouse friendly.
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'Increasing the life of your engine'
