--- title: Don't Start It: AdBlue in a Diesel Tank Sherwood canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/sherwood-nottinghamshire/ location: Sherwood county: Nottinghamshire latitude: 52.983980 longitude: -1.153090 service: AdBlue in a Diesel Tank updated: 2026-10-20 --- # AdBlue in a Diesel Tank in Sherwood? Don't Start It If AdBlue has got into the diesel tank, leave your motor off then leave your ignition off. Water with urea mixed in it: that is AdBlue. It doesn't burn, it doesn't mix with diesel, and the damage it does begins when the system pulls it in. In Sherwood, AdBlue in a diesel tank found before the engine runs normally comes down to a drain and a thorough flush, just where the car is. Before you do anything else, call 0333 366 0103. ## Those opening minutes: AdBlue in the diesel tank in Sherwood Do: - Take your keys out, so nobody switches the ignition on. - Close to moving traffic? Then put the hazards on. - Hold on to your receipt or the empty bottle, and so you can tell us what was put in and roughly how much. - Our van finds you fastest with a postcode starting NG5 2, or just the name of a street close by, so call from the spot. Do not: - Not even for a second, and not to shift your vehicle: the engine remains off. - Turning your key to ignition alone sets the pump running on many diesels. Skip it. - No more fuel added. The AdBlue won't mix, so it's wasted. - Do not drive it anywhere, not even a short distance along Gunthorpe Drive. - By the road, don't try emptying it yourself. On a forecourt around Sherwood, whether it is the Valero or another one, ask the staff to help you push your car away from the petrol pump. At home, your car stays exactly where it is. ## AdBlue in a diesel tank, and what it does there AdBlue is made for your exhaust, not the motor. From a dedicated reservoir it is fed straight to the exhaust, cleaning what your engine lets out. Nothing inside an injection pump is made for this liquid — and none of that was intended to travel through one. It does not combine. Once it is tipped into a tank of diesel, AdBlue acts nothing like diesel. Denser than diesel, it sinks and pools underneath it — the same spot the intake draws from. Once your system runs, the AdBlue is top of the list to be pulled through. Until then it sits underneath the diesel, and that is why a vehicle topped up in Mapperley yesterday and never started remains the simple one, as long as nobody turns the key. Once it is sucked in, the damage takes two forms. As its water goes, the urea left behind crystallises, and the crystals block filters and settle in fine passages. And it is corrosive to some of the metals a fuel system is made from, so it keeps working on the parts it reaches for as long as it stays there. Pipes carrying AdBlue spell harm overnight for a car parked in Sherwood. Just inside the tank, it stays stable. Then there's the water: it brings no protection to the components that need it most — the high-pressure pump and each injector. ## Petrol or AdBlue in a diesel: why AdBlue is frequently worse An issue of thin fuel is what you end up with from filling a diesel with petrol at the Esso. Blended into the diesel and left still, it is harmless at that stage; running your motor does the damage. The trouble with AdBlue in a diesel is a totally unsuitable liquid. Because it does not burn, running it through isn't an option. Nor can it be watered down, since it separates again — and the next tankful will not clear away crystals or corrosion. So the flush matters for more with AdBlue, and trying your engine "to see", in the centre of Sherwood or out in Mapperley Park, does more harm than almost any other mistake. The good news is the same as with petrol. Clearing a tank is the easiest job on any fuel system, and with no running, the AdBlue stays in it — anywhere across Nottinghamshire the vehicle sits. ## How AdBlue ends up in a diesel tank in Sherwood After dark, two caps together — the AdBlue cap and the diesel cap, now and then behind one flap — can look the same. Nobody means it; plenty of designs allow it. Most of the time it occurs with a bottle bought on the way home and poured in on the drive, not at the forecourt. The ways it occurs are few and familiar. A warning light comes on during the school run, and the top-up occurs in a hurry outside Seely Primary School. A bottle is poured in at the end of the day on a drive just off Victoria Road. Or your car is topped up in the car park at The Samuel Hall, in poor light, by somebody who has never opened that flap before. It occurs most in the motors people know least: a hire car, a new vehicle, a company car, or the second car of a household with one diesel and one petrol. Leave it switched off: that's the first response to the same mistake, anywhere in Sherwood or the rest of Nottinghamshire you are. ## AdBlue in the diesel tank in Sherwood, and the engine started? Then your tank is no longer where the AdBlue is. Given any running time, it goes on to the injection pump and each injector, after passing via your filter and lines. Watch for lumpy running, exhaust smoke, lost power, lights on the dash, or a cut-out — coming back from Sherwood Community Food Gardens, say, or part way across Sherwood. Pull over when it is safe. Switch off. Keep it off rather than testing it again. With each start, more of it is pulled through. On the M1, under 5 miles from Sherwood, the first junction is where to leave, and somewhere safe is where to park — not driving on. Mileage matters: every mile pushes the AdBlue further into the system, and so driving towards Nottingham, under 3 miles away, makes a much larger job than crossing Sherwood to the car park by Sherwood United Reformed Church. Let us know about how far it had come. We do all of the flushing where the vehicle has ended up, and once the engine has been run there is more of it. Caught soon, it very rarely leaves long-term damage. ## What does an AdBlue drain on a diesel involve around Sherwood? The car remains where it is, whether that's a road beside Carnival Celebrations, a driveway, a layby or a filling station in Sherwood, and our van comes to it. Which fluid got in, about the quantity, and whether the engine has been run: our technicians check first, since those decide the job. The contaminated diesel and the urea leave as one after your tank is drained, right there. With AdBlue, far more than with petrol, flushing matters: the fuel system is cleaned all the way through because residue will not wash away by itself. Your filter is flushed, or replaced where it needs to be; fresh diesel goes in; and the car is tested. If your motor has not run, most jobs take about half an hour once our technicians are there. The pumps are explosion-proof, fine on a working forecourt and quiet enough to use outside a house after dark. Priming the system with new diesel comes last. You drive off as soon as our technicians have fired it up, and it makes no difference whether your car is on a drive around Sherwood or in a bay outside Bulwell. It is checked on clean diesel to be sure it runs properly before our engineers head off. Our engineers do it all wherever the vehicle has stopped, and it never has to go to a garage. You receive a VAT invoice and an engineer report later, which is what insurers want. ## About Sherwood itself Sherwood is a suburban area in Nottinghamshire, situated near the River Trent at an elevation of around 78 metres. Sherwood lies close to the city of Nottingham, being approximately 1.9 miles from the city centre, and is surrounded by other suburban areas such as Carrington and New Basford. Sherwood has a population of around 9232 people and predominantly consists of semi-detached housing. Sherwood is also near the area known as Sherwood Rise, which is part of the larger suburban landscape, ## AdBlue drains in Sherwood and across Nottinghamshire AdBlue jobs around Sherwood go to teams that serve the towns around it — Carrington, New Basford plus Sherwood Rise — and most of Nottinghamshire beyond, across NG postcodes. If you're near a boundary, or somewhere hard to explain, ring and ask instead of guessing. Sherwood is a residential suburb, and an on-site drain suits it: whether the car is on a home drive, a residential street, a car park or a forecourt, our technicians drain it where it sits, and so it never needs to be shifted to us. ## Sherwood: what AdBlue in a diesel tank costs to fix Not one single price could be honest, since each job differs. Three things shift the price: whether the motor has run and for how long, how much AdBlue got in, and where your car is. That last one turns on whether our van can get to it safely, and an open driveway is simpler than a tight spot behind Welcome to Sherwood. With that reason, every call from Sherwood opens with the identical trio — what went in, how much, if it ran — ahead of a figure. Given them, the range narrows to a single fixed number. Priced on the call before the van sets out, it is settled that day — card or phone, nothing in advance. Plenty of insurance policies include misfuelling cover, so it's worth checking yours whilst we are on the way. ## Still next to the vehicle around Sherwood? Not touching the car is, right now, the most useful move open to you. Ignition off, engine off, keys out. Petrol in Diesel takes over the rest, in Sherwood or wherever within Nottinghamshire, after you phone 0333 366 0103 to say it was AdBlue, about how big an amount, and whether it ran.