This will be a long post I'm having fuel consumption issueI I'm 99% sure its because of the DPF. I used to get over 400 miles to a tank. Now i'm struggling to get 340/50 miles now.. I shouln't be getting 33/34 mpg on this car. I fitted a new 5th injector the other day in the hopes the original one was possibly leaking, causing the increased consumption and that it may not be able to get the DPF hot enough. I thought this because the lambda sensor reads a dip whilst driving along with a