--- title: Newerne: AdBlue in a Diesel Tank? Don't Start canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/newerne-gloucestershire/ location: Newerne county: Gloucestershire latitude: 51.726500 longitude: -2.530410 service: AdBlue in a Diesel Tank updated: 2026-10-02 --- # Don't Start It: AdBlue in a Diesel Tank in Newerne Motor off, ignition off: that's how you begin if AdBlue has got into your diesel tank. In plain terms, AdBlue is just urea in water. Unlike fuel, it neither ignites nor blends, and nothing happens until your motor pulls it round. A drain and a thorough flush, done where the car is around Newerne, is generally what AdBlue in a diesel tank needs — if it is caught before your engine has been run. Nothing comes before calling 0333 366 0103. ## AdBlue in your diesel tank in Newerne: the first few minutes Things to do: - Keys out — that way no one can power anything on. - If you're at all near moving traffic, put your hazards on. - Hold on to the receipt or the empty bottle, so you can tell us what went in and roughly how much. - Call us from where you are. A postcode starting GL15 5, or the name of the nearest street, brings our van to you without a search. Do not: - Shifting the vehicle just a few yards is no reason to fire up your motor. - The ignition stays off: on lots of diesels, switching it on is enough to run the pump. - No extra fuel added. The AdBlue won't mix, so it is wasted. - Leave the vehicle where it is instead of driving it anywhere, even a short way down Regent Street. - Emptying that tank yourself by the road is not one to try. Get the attendants to help you move your vehicle off the pumps if you're on a forecourt in Newerne, whether it is the Tesco or somewhere else. If you're on your own drive, leave it exactly where it stands. ## What AdBlue does in a diesel tank The motor is not what AdBlue is made for; the exhaust is. Kept in a dedicated tank, it's squirted into the exhaust to treat the fumes. A fuel pump is not designed to cope with it, and AdBlue was never supposed to travel through one. Tipped in with the diesel, it stays apart rather than blending — quite different from fuel. It sinks, because it is heavier than diesel, and pools low where the pickup takes its supply from. Easiest of all: one that had AdBlue in Highfield last night and hasn't turned since. The AdBlue waits at the foot of the tank, undrawn — but it would be first through once the engine starts, ahead of any diesel at all. From there it causes two kinds of damage. What is left once the water evaporates is urea, which turns into crystals: they settle in narrow passages and block filters. On top of that, it attacks some metals in a fuel system, and keeps going until it's cleared out. If the AdBlue is in the lines, waiting till morning around Newerne leaves it worse. Inside your tank alone, time does nothing. And there's the water: it offers no protection to the components that rely on it the most — the injection pump and every injector. ## AdBlue in a diesel: why it's regularly worse than petrol Fill a diesel with petrol by mistake over at the Co-op, and the problem is diluted fuel. No damage is done as long as it sits put, mixed into the diesel — only once the engine works on it. AdBlue in a diesel is a problem of the wrong substance altogether. It can't just be run through, because it doesn't burn. It doesn't stay mixed, and so it can't be weakened. And crystals and corrosion do not wash out with the next tank of fuel. That is why the flush counts more with AdBlue than with petrol, and why starting the engine "to see" costs more here than almost anywhere else, whether the vehicle is in Allaston or the middle of Newerne. The good news is the same as with petrol. If your engine has not run, the AdBlue is still inside the tank, and the tank is the easiest part of a fuel system to clear, wherever across Gloucestershire the car is sitting. ## How does AdBlue end up in a diesel tank around Newerne? Nobody means to do it. The AdBlue filler on many cars sits right next to your diesel filler, sometimes under the same flap, and the two caps can look alike in poor light. Usually it is never the filling station: a driver picks up a container driving home and tips it in at home. Usually, it happens in one of a couple of familiar ways. Halfway through the morning drop-off, the dashboard warns, and outside Lydney Church of England Community School the refill is hurried. Someone pours the container in at home, just off Newerne Street, as the day ends. Otherwise, in dim light by The Swan Hotel, your vehicle gets topped up by a driver opening that flap the first time. Hired motors, brand-new vehicles, company vehicles, or the second vehicle in a family with both fuels: the least known cars get it the most. Same slip, same first step — leave it off — anywhere you happen to be around Newerne or the rest of Gloucestershire. ## Started your engine with AdBlue in the diesel tank around Newerne? In that case, the AdBlue is no longer in that tank. The filter and pipework have had it sucked along, and any running time carries it on to the high-pressure pump and every injector. You may notice your motor running roughly, smoking, losing power, showing warning lights or cutting out, possibly on the way back from Bathurst Park or halfway across Newerne. No restarting to test: stop when safe, then turn it off. With each start, more of that is pulled through. Newerne sits under 10 miles from the M5; if you were on it, leave by the next junction and pull up somewhere safe rather than carrying on. Each mile pushes the AdBlue deeper into your system. That is why a hop across Newerne to park near Studio 16 and a drive of under 25 miles towards Gloucester are very separate jobs. Roughly how far it had come is worth telling us. Wherever your car came to a halt is where all of it gets done, even with more to clean out after your engine has been started. Lasting damage is very unusual when it is noticed early. ## What clearing AdBlue from a diesel involves in Newerne Our technicians come to the car, wherever it has stopped in Newerne: a side street near 3 Hill Street, a drive, a lay-by or a forecourt. Which fluid was put in, about how much, and if the engine has been run: we check before all else, because those decide the work. Then your tank is emptied where the vehicle waits, so the polluted fuel and the AdBlue come out together. Your system is cleaned thoroughly, which counts more with AdBlue than with petrol, since what it leaves behind does not rinse out on its own. Testing the car follows at the end, after clean diesel goes in and the fuel filter is flushed or, where needed, replaced. About half an hour once we arrive is typical for most jobs when your engine has not run. The pumps are explosion-proof, safe on a working forecourt and quiet enough to use outside a house after dark. Lastly, your system is primed with new diesel. You drive off as soon as our engineers have started it, and it makes no difference whether your car is on a driveway in Newerne or in a space outside Lydney. It's checked on fresh diesel to confirm it runs smoothly before we go. Our technicians do it all wherever the vehicle has stopped, and it never needs to be taken to a workshop. The insurer is likely to want an engineer's report and your VAT invoice — each handed over afterwards. ## About Newerne itself Newerne is a suburban area located near the coast in Gloucestershire, with Newerne sitting at a low elevation of around 12 metres above sea level. Newerne is situated near several nearby places, including Lydney, Tutnalls, and Primrose Hill, and Newerne is approximately 15 miles from Gloucester. Newerne has a population of around 3563 people, with Newerne being characterized by predominantly semi-detached housing. ## AdBlue drains across Gloucestershire, Newerne included Lydney, Tutnalls and Primrose Hill are among the places near Newerne that the same teams serve, along with much of Gloucestershire beyond, throughout the GL postcode area. Guessing doesn't help close to a county line or somewhere hard to pin down; ring and check. Newerne is a residential suburb, and a mobile drain suits it: whether your car is on a home drive, a residential street, a car park or a forecourt, our technicians drain it where it is, and so it never needs to be moved to us. ## What does AdBlue in a diesel tank cost to sort out around Newerne? Since each jobs vary, a flat figure wouldn't be fair. The price changes first with how long, if at all, your engine has been running, and next with the amount of AdBlue that was put in. After that it turns on where the vehicle is and whether a van can get to it safely, which is simpler on an open drive than in a tight gap behind Lydney Library. What got in, what quantity, plus whether the engine ran: every Newerne call opens with precisely that, ahead of a figure, not afterwards. Their replies narrow the range down to a single number. Before a van sets off, you hear the price on the phone. Then payment is on the day, by card or by phone, with nothing in advance. Misfuelling cover comes with many insurance policies, so it is worth looking at yours before the van gets there. ## Alongside your car around Newerne, right now? Then, do nothing — that is the best move there is. Keys out, engine off, ignition off. Call 0333 366 0103: AdBlue, the amount, plus whether the engine ran are all we ask. Petrol in Diesel handles the rest throughout Gloucestershire, Newerne included.