Late as usual... Fuel filter water sensor p/n is WKW500070, about £36 Genuine or half as much for an OEM version. Measures conductivity so as long as the circuit remains open the dash light won't show up. A bit of a pain as it tends to get over-screwed against the fuel filter causing the...

As far as I know the Disco TD5 (as opposed to the Defender) compensates for lower ambient pressure by means of the ECU controlled wastegate modulator. At 1200 m (just shy of 4000 ft) I get AAP (ambient air pressure) readings of 82-86 kPa (Nanocom) and still have inlet manifold pressures of up...

Had a similar problem recently... It turned out being a cut in the hose going from the turbo-to-intercooler hose to the turbo wastegate modulator. Since the ECU did not read turbo boost pressure correctly it was unable to control the wastegate as it should. Eventually hooked up Nanocom in...

In this part of the world diesel has ~1500 ppm sulfur (against <50 ppm in Europe) and who knows what else... I use an external device to clean my injectors with a 50% cleaner (Wurth LBW400) / 50% diesel solution every 10,000 kms or so, otherwise exhaust gas will start smelling bad & fuel...