Thanks, Crasher. I forgot to mention that I did a forced regen when it first started. I also did a compression check on all cylinders at the weekend, and they all measured 400 psi. I took off the rocker cover, inspected the cams whileinjectorswereout, and they look like new, and couldn't see anything untoward with the followers.

The number two injector has a very slight tap, but it's nothing too concerning. However, I'm wondering if, even though the injectors are well within range, there might be something related to overfueling due to them being the original injectors that have coveredsomemileage. Can you advise?