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Managed to fix the problem (Well temp fix at the moment). Pulled the righthand rear panel to expose the fuse box in the boot above the battery. Removed each connector in turn and inspected for any sign of corrosion … known Jag XL problem due to leak in one of the welds. Found the bottom connector when removed exhibited corrosion where cable / individual connector pin entered the plastic connector block. Could not remove the pins but did multiple insertion / removal of the connector to scrape the pins … this has worked. When hazard button on dash is pressed, the hazard warning lams flash as expected. I'll try and source a new connector or one from a scrap yard and replace in the future. For now … operational once more. cheers Jim.

Hi Carpo, Your experience seems very similar to my own - the car identified was nothing like mine (although it was a Jaguar, just not an XF!). Tried again for my wife's Audi TT - site came back with an Audi A4. It's a pity - would have really liked to know the exact spec when the cars were ordered. Ho hum! Jon

hi most people just put a K&N panel filter inside the original airbox the standard airbox is very good and has a cold front air feed, which is directly in front of the grill, giving some ram air type flow would make next to no difference on a diesel On the S-type R's you actually lose power by fitting a cone filter, on street/town driving, due to heat soak from the engine bay, the engines generate loads of heat in the engine bay at low speeds, it sucked up by the engine, due to high temperatures, the ecu retards timing to compensate, giving a loss in power All high quality race type filters use either a panel filter or cone filter in a sealed box, with a cold air feed direct from the front of the car, standard air box offers this, especially if a better filter is fitted, like a K&N if you want more power get it mapped, but make sure you change the oil regular and keep an eye the oil level does not go up on its own, due to leaky injectors, as this is the biggest cause of snapped cranks on this engine also any air filter that offers more air flow or performance, can only be acheived by offering better flow, which can only be done by sacrificing filtration, so more dust and particles will enter the engine, causing unnecessary wear, fact. cheers Joe

Hi Luke and welcome to the club. The mpg on my s type has had a slight improvement by using premium diesel and a suitable additive, but I use both on the basis that the engines used by Jaguar are top cars and deserve top class fuel. Regards, Peter,

Hi all, Totally agree with Old Peter. Millers is great stuff and the premium fuel goes without saying 😊

Hi Seamus and welcome to the Club. What engine does you car have? If it is a diesel engine, I would recommend Millers Eco Plus [diesel] which I use and which keeps the fuel system clean. Since starting to use it a couple of years ago I have never had the engine amber warning light come on telling me the EGR valves needed cleaning. I also recommend you use Premium Fuel as it does give a better mpg and a smoother ride. Regards, Peter.

Save at Diesel Tuning UK Ltd Diesel Tuning UK are offering club members £80 off the full RRP on all of their plug and play petrol and diesel performance systems. Simply call up with the supplied code or enter it on their website to obtain your discount.