Apologies for the late reply. The drivers side inlet manifold has now been replaced which incorporates the cam cover all in one moulding. Problem solved but I did have to have a DPF clean performed where they injected some form of cleaner into it and now it all runs like new. One interesting thing w...

It would appear that I have an air leak on the intake pipework. I have had a smoke test done and it has been traced to the left hand side inlet manifold. As I have also been driving the car the DPF warning has now come on in red so Hopefully this will all be sorted out on Wednesday. What I didn't re...

Hi. I have the same issue with the 'Restricted performance' in my XF S Mine started about a week after it had been serviced when I was going uphill and gave it a bit of throttle It did the RP thing. It resets itself when you turn the engine off but does it every day when I go up hill but the engine ...