--- title: AdBlue in a Diesel Tank Low Laithes: Explained canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/low-laithes-south-yorkshire/ location: Low Laithes county: South Yorkshire latitude: 53.535750 longitude: -1.420590 service: AdBlue in a Diesel Tank updated: 2026-10-19 --- # Preventing AdBlue in a Diesel Tank in Low Laithes: Why It Occurs AdBlue already in your diesel tank? Then put this page down for now, keep the ignition and motor off, then phone 0333 366 0103. Normally, when the engine hasn't turned, it's drained and thoroughly purged where your vehicle sits in Low Laithes. If you're reading before it has happened, the remainder of this page is about why it occurs and how to make sure it doesn't. ## Why does AdBlue in a diesel car need its own filler? Plenty of modern diesels around Stairfoot, like those in Low Laithes, run on two liquids; the motor gets just the diesel. AdBlue's own tank holds it, and from there it is sent to your exhaust, and there spraying cleans the fumes. Different tanks, separate fillers. Other cars keep the AdBlue filler in your boot or under the bonnet; a lot of others place both together under one flap. Topping up the diesel side at the pump happens constantly. A driver who has to stop and work out where it goes normally tops up the AdBlue side, from a bottle, and far less frequently. That gap is where the slip lives. ## How does AdBlue in your diesel tank take place around Low Laithes? Three things tend to come together, and carelessness is seldom one of them. Hurry comes from the warning. The car tells you as AdBlue runs low, and a dry tank sends it into limp mode — so the top-up gets done quickly, before work on a drive off Barnsley Road, or heading home in the car park at The Ash Inn. Then the car is strange. A hire car, a new vehicle or a company car puts the fillers where your last one didn't, and the hand gets to for the cap it would have used on the old one. And the bottle fits. A bottle with a spout goes into a diesel filler as easily as an AdBlue one, so nothing stops the tip once it has started. Whether it happens in Smithley or the middle of Low Laithes, it's the same few seconds. ## Telling the AdBlue filler from the diesel filler A couple of seconds is all the checks take — so run through them before you pour anything, on a drive in Lewden or a forecourt in Low Laithes. - Blue and marking: an AdBlue cap is regularly blue, or says "AdBlue", where a diesel cap usually does not. Trust the cap, not where it sits. - Plenty of motors give AdBlue the smaller filler of the two. - The flap. Look inside your fuel flap for a label. Many motors say there which fuel goes where. - Can't see it next to your diesel filler? Then look beneath the bonnet or inside your boot — the handbook will say where. - Ask the person who drove it last — before you leave, not when the light comes on — when you collect a hire or company car from somewhere like the car park at Wombwell. ## How to top up without AdBlue in your diesel tank The day the light comes on, wherever in South Yorkshire, follow this routine. - Stop on level, motor off, with time to spare — not hurried on the side of Wombwell Lane. - Say "AdBlue" out loud as you unscrew the cap, once finding the AdBlue filler and reading it. Silly, yes, but it does the trick. - The diesel cap stays on. When the two share a flap, confirm it is shut before lifting the bottle. - Using the bottle's own spout, tip slowly — and stop when it is full or the bottle is empty. - Before starting the car, close the cap and check a second time that the diesel cap never came off. Discover during the second or third step that the bottle went in the diesel filler? That is where you stop. Step five is off limits. ## Already put AdBlue in your diesel tank in Low Laithes? Short list, then. First: your motor remains unstarted. Leave your ignition off too, since on plenty of diesels switching it on by itself starts your fuel pump. AdBlue does not mix with diesel — it sinks to the bottom of your tank, where the fuel is pulled from — so do not top up with diesel to dilute it. The attendants at BP, Tesco or another forecourt will usually lend a hand to push your car away if you ask. Your own driveway around Low Laithes is the place it stays. If the motor has already run, stop as soon as it is safe then switch off. On the M1, under 3 miles from Low Laithes, that means the next junction. Tell us roughly how far it went: a run towards Wakefield, under 15 miles away, is a bigger job than a short hop across Low Laithes. ## When our engineers arrive in Low Laithes, what takes place? The van reaches your car wherever it has come to rest — your own drive, near Stairfoot Station, or by High View Primary Learning Centre. Which liquid got in, the amount, and if it ran: we ask because the replies decide the work and price. That quote is given on the call, ahead of any van leaving. Draining the tank comes next, then a thorough flush of your system. AdBlue crystallises and is corrosive to some of the metals in a fuel system, so it doesn't wash out on its own — which is why that counts more here than with petrol. The filter cleaned or, if needed, replaced; fresh diesel in; then a test of your vehicle. Then we fire it up and check it runs correctly before leaving. Using pumps safe on a busy forecourt and quiet enough for use outside a house at night, most jobs where the motor hasn't run take about half an hour after our engineers arrive. Payment is on the day, not upfront, and you receive the paperwork your insurer asks for: an engineer report and a VAT invoice. It is worth looking at your insurance while we travel to you: misfuelling cover is included with plenty of policies. ## About Low Laithes itself Low Laithes is a locality situated on the riverside in South Yorkshire, with an elevation of around 40 metres. Low Laithes lies near the cities of Wakefield and Barnsley, and is close to the nearby places of Smithley, Swaithe, and Ardsley. Low Laithes has a population of approximately 1059 people, and its predominant housing stock consists of semi-detached homes. Low Laithes is located about 150 miles north of London, in the Yorkshire and the Humber region. ## AdBlue drains across South Yorkshire, Low Laithes included Low Laithes is a small village, and the vans that cover it also work the places around it, Swaithe and Ardsley among them, across the S postcode area. Quote a postcode beginning S73 8, and our van arrives fastest. The vehicle remains put. A driveway, a lay-by on the way to Stairfoot Brickworks, a side street near Christ Church: our technicians drain it where it sits. Ring and ask rather than assuming if you're close to a boundary, or somewhere hard to explain, like the back of Ebenezer Wesleyan Reform Church. ## The short version for Low Laithes motorists Read the cap before you tip. AdBlue in the diesel tank regardless? Leave it switched off and ring 0333 366 0103; Petrol in Diesel empties it on the spot, throughout South Yorkshire.