Once you have a top up container you can refill it from a much cheaper bulk buy container and use over and over again. Which could work out around £5 - £10 a fill depending on bulk buy instead of £30 or more from dealers. How many miles are people getting from a tank of adblue. In December 2020, the crankshaft on our Land Discovery 4 SDV6 broke as we were driving along the motorway. It was only 5 years old (10/2015 model) with just 1000 posts · Joined 2010. #8 · Aug 8, 2011. Um, no. All the ags cap does is keep the gas from evaporating out of the gas tank and keep water and dirt out of the gas tank. Remove your gas cap, look at where you put the gas pump nozzle, there is a big hole and a small hole, the small hole is the vent hole. The Discovery 4 was in many ways an update to the troubled Discovery 3 to sort out all it's problems. Early Discovery 4's looked more like a Discovery 3.5 really. The Discovery 4 was available with either the 2.7 TDV6, the 3.0 TDV6 and the 3.0 SDV6. Re: Radio issues on D4 SDV6 S. Sorted. Switch vehicle on, pull fuse 64 in the fuse box behind the cubby, put fuse back. The radio on my D3 did not want to go off after I switched the car off. Fearing a flat battery the next morning I pulled the fuse but left it out until the next morning. 2 days ago · Known and reported issues with the Discovery 3 in the UK: 3591: 65: 28th Sep 2023 5:13 pm Discussions about the technical details the Land Rover Discovery 4 and Furniture move shows off the Land Rover Discovery's load skills, but infotainment issues continue to irritate Mileage: 20,215 Economy: 31.6mpg There are times when only a Discovery will do and Now has a pronounced hiss on acceleration that sounds like it’s from the air vents, smell of exhaust gas in cabin, some exhaust visible seeping from back of engine on start-up. With this is an occasional restricted performance condition. Nothing picked up by GAPIID, but oddly the Foxwell NT680 shows P1247-00 low boost pressure. rHIkg8a.