My neighbour's son recently bought, at reduced cost, an Audi A5 3.0 TDI with faulty EGR and DPF. He claims he can have the DPF removed after the EGR is replaced, and having had the engine remapped it ...
A diesel particulate filter captures small soot particles, preventing them from being expelled into the atmosphere Credit: Photo: ALAMY Removing your car's diesel particulate filter (DPF) might be ...
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