Hello, newbie here with a 2010 xf 3.0d portfolio... Does anyone know of a fix for the humming noise in the cabin associated with the fuel lines passing through the car... 

Hi Paul and welcome, i have a very slight humming noise in my car 2011 3.0d S. premium that has baffled jaguar, the thing is with my car it only happens when it's really cold outside and only at bang on 30 mph 🤔 Jaguar thought it was a faulty pulley wheel and replaced it along with the timing belt etc but it never cued the problem. They aventually but it down to a resinence acoustic noise that is just there with the car !! I've owned the car five years now and it's perfect love it. If this sounds familiar to you I hope it's helped.

Regards Dave 

Have you asked the missus to stop humming??? It probably won't work but it's worth a try

That's what I thought dave, might try some extra sound deadening in the summer, as for the missus she hasn't closed her mouth yet... Still amazed I have the jag... Although we did go from the Ford ecosport... The worst car I have ever owned...