I would add there are a lot of misunderstandings around DPF including established garages.

For instance, you're not the only member who has been recommended a Terraclean and it's done nothing.

Do get an IID it's not the cheapest but it'll hold it's ££ value and you are blind without it.
. Cheers, Greg
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2011 Vogue SE 4.4 with lots of toys in Stornaway

Thanks, as I have only had it 4 months and it’s never really worked since I bought it, 4 trips on the back of loaders and if it can’t drive 4 miles followed by for instance a trip to Birmingham from Leeds and back then it’s not really fit for purpose, I don’t see threads of I drove 4 miles and 30 on a motorway and now I’m in limp mode so there has to be an underlying issue with the car.