--- title: Explained: AdBlue in a Diesel Tank Kings Stanley canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/kings-stanley-gloucestershire/ location: Kings Stanley county: Gloucestershire latitude: 51.728820 longitude: -2.274590 service: AdBlue in a Diesel Tank updated: 2026-10-11 --- # How It Occurs and How to Avoid It: AdBlue in a Diesel Tank in Kings Stanley If AdBlue is already in your diesel tank, stop reading for a moment: leave the engine and your ignition off and call 0333 366 0103. Normally, if your motor has not turned, it's drained and thoroughly rinsed where the car is around Kings Stanley. The rest of this page covers why it occurs and how to ensure it doesn't — useful if you're reading before it has happened. ## AdBlue in a diesel vehicle: two tanks, two fillers Many current diesels on the roads around Kings Stanley and Ryeford carry two liquids, not one. Diesel goes to the motor. AdBlue goes to your exhaust, where it is sprayed into the gas to fresh it, and it lives in a tank of its own. Different tanks, different fillers. Under one flap, side by side: that's the layout on many vehicles. Elsewhere, AdBlue's filler sits under the bonnet or in your boot instead. Topping up the diesel side at the petrol pump happens constantly. Far less regularly, the AdBlue side gets topped up — normally from a bottle, by someone working out where it goes. The mistake lives in that gap. ## How does AdBlue in the diesel tank occur around Kings Stanley? Three things tend to line up, and carelessness is seldom one of them. To start with, the warning. Low AdBlue triggers a message from your car, and running dry means limp mode — so a hurried top-up, perhaps before work off Bath Road, perhaps outside King's Head on the way home that evening. Then the car is unfamiliar. A hire car, a new motor or a company car puts the fillers where your last one didn't, and your hand reaches for the cap it would have used on the old one. A spouted bottle meets no resistance at a diesel filler any more than at an AdBlue one. So the tip, once started, keeps on. It's a few seconds, whether out in Leonard Stanley or bang in the centre of Kings Stanley. ## Which filler is for AdBlue, and which for diesel? A few seconds is all the checks take — so check them before you pour anything, on a driveway in Stanley Downton or a forecourt in Kings Stanley. - The cap. The AdBlue cap is commonly blue, or marked "AdBlue". Your diesel cap usually is not. Read it instead of going by where it sits. - Plenty of cars fit AdBlue the smaller neck of the two. - Check inside the fuel flap: many vehicles carry a label there saying which fuel goes where. - The handbook. If your filler isn't by the diesel cap, it is in the boot or under the bonnet, and the handbook says which. - The person who drove the vehicle last. On a hire or company car collected from somewhere like the car park outside Stonehouse, ask before you leave, not when the light comes on. ## AdBlue top-ups that never reach the diesel tank When the light goes on, wherever around Gloucestershire, follow this routine. - Park then switch off. Not on a slope, not with your engine running, and not in a rush on the side of Shute Street. - Find the AdBlue filler and read the cap. Say "AdBlue" out loud as you unscrew it. It sounds silly and it works. - If both sit under one flap, check the diesel cap is still closed before you lift the bottle — then leave it on. - Pour slowly, using the bottle's own spout. Stop when it's full or when the bottle is empty. - Before you start the vehicle, shut the cap and check a second time that the diesel cap never opened off. Stop there if you find, at stage two or three, that you've already poured into the diesel side. Skip step five altogether. ## Kings Stanley: already put AdBlue in the diesel tank? Brief list, then. Top of it: the motor remains unstarted. On plenty of diesels the ignition alone runs the fuel pump, and so do not switch the vehicle on. AdBlue doesn't mix with diesel — it sinks to the bottom of the tank, where your fuel is drawn from — so don't top up with diesel to dilute it. If you're on a forecourt, whether it is the Texaco or the Esso, ask the staff to help push the car away from the pump. Leave it where it is if you're on your own driveway around Kings Stanley. When the engine has been run by now, pull over safely and switch the car off. The next junction means the place to leave if you're on the M5, under 3 miles from Kings Stanley. Roughly how far did it go? Hopping across Kings Stanley is smaller a job than a trip of under 10 miles towards Gloucester, and so say. ## What takes place when we arrive around Kings Stanley The van comes to the vehicle anywhere it has come to rest — your own drive, near King Stanley's Village Hall, or outside King's Stanley CofE Primary School. Both the work and our quote depend on three replies — what fluid, what amount, and if it has run — so we ask. You get that price on the phone, before anybody sets off. Emptying the tank comes next, then a thorough flush of the fuel system. With AdBlue that counts more than with petrol: it crystallises and is corrosive to some of the metals in a fuel system, and so it doesn't wash out on its own. Filter cleaned or, if needed, swapped; clean diesel in; and then a test of your vehicle. Next our engineers fire it up and make sure it runs properly before we go. If your engine has not run, most jobs take about half an hour once we are there, using pumps that are fine on a busy forecourt and quiet enough to use outside a house after dark. Paying happens on the day, not upfront, and you are given the paperwork an insurer asks for: an engineer report and a VAT invoice. It is worth checking your policy as the van travels to you: misfuelling cover is included with plenty of policies. ## About Kings Stanley, for a moment Kings Stanley is a village in Gloucestershire, situated inland at an elevation of 54 metres, approximately 9.5 miles from Gloucester. Kings Stanley has a population of around 1901 people and is characterised by predominantly detached housing. Kings Stanley is located near other small settlements, including Leonard Stanley and Selsley West, and is about 93.4 miles west of London. ## Kings Stanley and Gloucestershire: AdBlue drains across the area Throughout GL postcodes, our teams that cover Kings Stanley — a rural village — work the nearby spots too, Selsley West and Middleyard among them. The van reaches you fastest with a postcode starting GL10 3. There's no need to move the vehicle. We drain it where it is — a side street near Saint George, a lay-by on the way to Stanley Wood, a driveway. Ring and ask instead of assuming if you are near a boundary, or somewhere hard to explain, like the back of Leonard Stanley War Memorial. ## Kings Stanley people: the short version First, the cap; after that, the tip. If AdBlue has gone in the diesel tank all the same, leave the car off and ring 0333 366 0103. Petrol in Diesel clears it where it sits, anywhere in Gloucestershire.