Talk to me goose.
stig; How did you discover the leaking flange ( smoke/hand?) mine is doing 200 miles regens despite mwah at 65-70 and a few hillclimbs in Cornwall on the a30. Regens are about 10 minute at a time bu5 the in between mileage seems a bit short. Mpg is 50+ in this weather.With your pattern of useage you shouldn't be getting amber DPF warnings let alone red one. My driving pattern is similar to yours & I've never seen a DPF warning in over 200,000 miles.
The problem is either one of the differential pressure sensors or there's an underlying problem that's preventing the engine running in the emissions sweet spot. A leaking intercooler flange on mine reduced the regeneration cycle from 1000-1200 miles down to a couple of hundred miles or less. That gives some indication of how much more soot is produced by poor combustion.
Does anybody know if this would cause a problem with regens? As some of you know, the issue I have is that a regen won't drop the soot level below 20 grams but we don't know why. Everything else we can think of is as it should be, no leaks, nothing.Similar problem to the OP. 3.0 diesel XF. Thanks for the help in this post. I rang the warranty people who told me to call out the Jaguar assistance.
Apparently there is a bit of a fault with the flap on the throttle body. It sticks and the air is drawn in via the EGR filling the DPF quickly. He replaced the throttle body, checked the software (it was up to date) and then we went for a run and he checked again. Soot down from 26 grams to 5 grams. Sorted.
Well impressed with Jaguar warranty and Jaguar assistance.