I put in an EGR blanking plate to see if that was contributing to the problem, but it made no difference to the MAF readings (as I suppose you would expect). I'm going to see if I can visually inspect the hoses for leaks, but I'm not sure how much access I'll be able to get at home. It's odd...

Good evening, all. I don't mean to hijack this thread, but I have a very similar issue here with my 2008 Freelander 2 TD4. I don't have any black smoke issues, and the car is well-serviced and otherwise seems to be running quite well for its age. I noticed that fuel consumption has crept up to...