In February I contacted Rip Off Britain regarding the emissions fix, and the treatment owners were getting after experiencing post fix "problems" such as EGR, DPF failure, increased regeneration loss of low down torque, increased fuel consumption.   I have recently spoken to one of their producers and they are planning to take up the topic. I have copies of all five letters sent to owners, the post fix certificate, the VW US offer. What is needed is factual content from owners who have