--- title: Explained: AdBlue in a Diesel Tank King Street Buildings canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/king-street-buildings-leicestershire/ location: King Street Buildings county: Leicestershire latitude: 52.587690 longitude: -1.210360 service: AdBlue in a Diesel Tank updated: 2026-10-19 --- # Preventing AdBlue in a Diesel Tank in King Street Buildings: Why It Occurs If AdBlue is already in your diesel tank, stop reading for a moment: leave the engine and the ignition off and call 0333 366 0103. A drain plus a full flush, carried out just where your car stands around King Street Buildings, is usually all it needs if found before your engine runs. The rest of this page covers why it takes place and how to make sure it doesn't — useful if you're reading ahead of time. ## Two fillers, two tanks: AdBlue in a diesel vehicle Many modern diesels in Littlethorpe, as well as King Street Buildings, carry on two fluids; your motor takes just your diesel. AdBlue goes to the exhaust, where it is sprayed into the gas to clean it, and it lives in a tank of its own. There's a filler for each tank. Under one flap, next to each other: that is the arrangement on a lot of vehicles. On others, AdBlue's filler is beneath the bonnet or in your boot instead. Filling the diesel side at the petrol pump goes on constantly. Someone who has to stop and think where it goes usually tops up the AdBlue side, from a bottle, and far less often. The mistake lives in that gap. ## How AdBlue in your diesel tank happens around King Street Buildings Three things tend to line up, and carelessness is rarely one of them. Haste follows from the warning. Your car warns you as AdBlue runs low, and a dry tank sends the vehicle into limp mode — so the top-up gets done quickly, before work on a drive off Cornwall Street, or on the way home in the car park outside Nag's Head. New-to-you cars are second, as well. Rentals, new vehicles and company vehicles put their fillers differently, and the hand reaches for the cap it used on the old one. Nothing stops the pour once it has started, because a bottle with a spout goes into a diesel filler as easily as an AdBlue one. The bottle fits. The same few seconds decide it, in the middle of King Street Buildings or out in Enderby. ## Which filler is for AdBlue, and which for diesel? Before you tip anything, whether on a drive in Huncote or a forecourt around King Street Buildings, check these. They take a few seconds. - Position can mislead; the cap doesn't. AdBlue ones tend to be blue or bear the word "AdBlue" — diesel caps normally do not. - On plenty of motors, the size gives it away: AdBlue gets the smaller filler neck. - Open the flap and look for a label — many vehicles mark which goes in which inlet just there. - Can't see it next to your diesel inlet? Then look below the bonnet or inside the boot — the owner's manual will say where. - Collecting a hire or company car, perhaps at the car park at Narborough? Ask whoever drove the vehicle last before you set off, rather than when the light comes on. ## AdBlue top-ups that never reach the diesel tank The day the light goes on, wherever in Leicestershire, follow this routine. - Stop on level, motor off, with time to spare — never hurried on the side of George Street. - Silly as it sounds, saying "AdBlue" aloud as you unscrew the cap works — after you've found the filler and read it. - The two behind one flap? Then make sure the lid on the diesel filler is still shut ahead of lifting the bottle. - Using the bottle's own spout, tip slowly — and stop when it's full or the bottle is empty. - Before starting your car, shut the cap and look a second time that your diesel cap was never came off. Discover at the second or third stage that the bottle went in the diesel filler? That's where you stop. Leave out stage five entirely. ## Put AdBlue in your diesel tank in King Street Buildings already? Then the order of things is short. Do not start your engine. Do not switch the ignition on; on plenty of diesels that alone runs the fuel pump. AdBlue doesn't mix with diesel — it sinks to the bottom of the tank, where the fuel is pulled from — so don't top up with diesel to thin it. Ask the attendants to help push the vehicle clear of the pump if you're at a forecourt — the Pace, the another forecourt nearby or somewhere else. Leave it where it is if you are on your own drive around King Street Buildings. Stop as soon as it is safe then switch off, if your motor has already run. King Street Buildings lies under a mile from the M1; there, take the next exit. A short hop across King Street Buildings is a smaller job than a run towards Leicester, under 5 miles away, and so tell us roughly how far it went. ## When our engineers get there in King Street Buildings, what occurs? Anywhere the car came to rest, be it outside Enderby Danemill Primary School, near Enderby Village Institute or on your own drive, the van comes to it. What fluid got in, the quantity, and whether it ran: we ask because the replies set both work and quote. You hear that quote on the phone, before anybody heads out. Next: draining, then a thorough flush of the entire system. With AdBlue that counts more than with petrol: it crystallises and is corrosive to some of the metals in a fuel system, so it does not wash out on its own. A test comes at the end: before that, clean diesel is added, and your filter is flushed or changed as needed. Before we leave, our technicians start it and make sure that it's running correctly. If the motor hasn't run, the majority of jobs take about half an hour once we are there, using pumps that are safe on a working forecourt and quiet enough to use outside a house after dark. No money upfront; you settle up on the day. Afterwards, the VAT invoice and the report from the engineer go to you for your insurer. Before we get there, have a look at your policy; plenty carry cover for misfuelling. ## About King Street Buildings King Street Buildings is a locality situated in the East Midlands region of England, approximately 4.5 miles from Leicester city centre. King Street Buildings sits at an elevation of 112 metres, surrounded by nearby places such as Enderby, Narborough, and Fosse Park. King Street Buildings is characterised by its predominantly semi-detached housing stock, reflecting the typical residential architecture of the area. King Street Buildings is located inland, about 87.7 miles north of London. ## AdBlue drains about King Street Buildings, and Leicestershire beyond Throughout LE postcodes, the vans covering King Street Buildings — a small village — work the nearby locations too, Fosse Park and Narborough included. A postcode starting LE19 4 gets the van to you fastest. Moving the vehicle is not needed. A drive, a lay-by on the way to King George V Playing Field, Mill Lane, a side street near Enderby Parish Church: our engineers drain it where it sits. Assuming doesn't help behind Enderby Cricket Club, on a boundary, or anywhere awkward to pin down; phone and ask. ## King Street Buildings people: the short version Tip no AdBlue until you've read the cap. AdBlue in the diesel tank regardless? Keep the vehicle off then call 0333 366 0103; Petrol in Diesel empties it where it stands, throughout Leicestershire.