Our 05 L322 vogue 3lt desel RR had to be recovered yesterday, we were towing our caravan to Rockhamton and it started to loose power it held 80kmh for a few hours and slowely lost power we had to pull over when we could not go up a small hill faster than 40kmh. I am thinking it maybe a fuel related, fuel pump, blocked fuel filter or maybe a stuck waste gate on the turbo, it is all guessing at the moment car is at the RR dealer and will be looked at on monday. Any suggested ideas most welcomed.

Similar happened to me last year, cruising along then a sudden loss of power under load. Tested fuel low-pressure side and all good. The conclusion was the in-tank pump was not able to keep up under heavy demand so I change that and also the external pump for good measure. I was able to drive the car very sedately until the new pumps arrived 2007 TDV8 VSE
2003 TD6 gone.
2002 P38a gone
1999 P38a gone
1997 p38a gone
1993 VSE gone
1992 VSE gone
1966 Series 2a with V8 conversion gone