AdBlue in the Diesel Tank in Nant-y-Bwch? Keep It Switched Off
If AdBlue has got into the diesel tank, keep the motor off and keep your ignition off. Water with urea dissolved in it: that is AdBlue. As it is water-based, it will not ignite and never combines with diesel; damage only comes when the pump starts drawing it. In Nant-y-Bwch, AdBlue in a diesel tank caught before the motor runs usually means a drain and a thorough flush, just where the vehicle is. Before you do anything else, ring 0333 366 0103.
Nant-y-Bwch, AdBlue in your diesel tank: what to do straight away
To do:
- Keys out — then nobody can power anything on.
- Put the hazards on if you're at all close to moving traffic.
- The empty bottle or the till receipt tells us the product and the quantity, so do not throw it away.
- Tell us a postcode starting NP22 3, or whichever street is closest, and our van finds you directly — so ring from wherever you are.
Things not to do:
- Shifting your car just a few yards is no reason to fire up the motor.
- Plenty of diesels power their pump the moment your ignition comes on, and so leave it off.
- Do not top up with diesel to thin it. AdBlue doesn't mix in diesel; it separates out.
- Do not drive the vehicle anywhere, not even a short stretch down Highfield Close.
- Draining the tank on your own by the road isn't one to try.
Rolling your vehicle away from the pumps is a job for staff to help with, wherever Nant-y-Bwch forecourt you're on, the Texaco included. If you're on your own drive, leave the car precisely where it is.
What does AdBlue do in a diesel tank?
Not the engine but the exhaust is where AdBlue belongs. It goes into its own tank and is sprayed into the exhaust gas to fresh it. Not one side suits the other: urea does not belong in a pump, and an injection pump cannot deal with urea.
Fuel blends; AdBlue, after poured in, will not. The behaviour is not at all like fuel's. It drops, since it's heavier than diesel, and settles low where the intake draws its fuel from. The first thing your fuel system pulls through, after it runs, is the AdBlue. So a vehicle that had AdBlue poured in on a drive in Ashvale last night, and hasn't been started since, is still the easy case: the AdBlue is lying at the bottom of the tank, and nothing has pulled it in.
Two kinds of damage follow from there. What is left once the water evaporates is urea, which forms crystals: they settle in tiny passages and clog filters. Worse, it attacks some metals in the fuel system, and carries on till it is flushed out. Where the AdBlue has reached the lines, leaving it overnight in Nant-y-Bwch makes things worse. Inside your tank alone, time does nothing. Diesel protects the injection pump and each injector as it flows; water offers no lubrication, which is a second form of harm.
Why AdBlue in a diesel is frequently more major than petrol
Fill a diesel with petrol in error at the Gulf, and the problem is diluted fuel. No damage comes while it stays unused, mixed into your diesel — only once your motor runs on it.
With AdBlue in a diesel, the liquid as such is simply the wrong one. It does not burn, and so it cannot just be run through. Nor can it be watered down, because it splits back out — and the next tankful will not rinse away deposits or corrosion. So the flush matters more here, and trying the engine "to see", in the centre of Nant-y-Bwch or out in Blaen-y-cwm, costs more than nearly any other mistake.
With AdBlue, the good news is no separate from petrol. Anywhere around Blaenau Gwent your car has stopped, an unrun engine leaves the AdBlue yet inside the reservoir: the easiest part of a fuel system to empty.
Nant-y-Bwch: how AdBlue ends up in a diesel tank
Nobody means to do it. The AdBlue filler on plenty of cars rests right next to your diesel filler, at times under the same flap, and the two caps can look alike in poor light. Most of the time it happens with a bottle bought on the way home and poured in on the drive, not at the forecourt.
A couple of familiar ways cover most cases. The refill is hurried outside the local primary school, because your dash flashed with a warning while the kids were taken in. A driver tips the container in at home, just off Glen View, as the day ends. One more version: darkness, the car park by Mountain Air Inn, and someone opening that flap the first time.
The least known cars get it most — hire cars, new cars, company ones, and the other car of a family with both fuel types. An identical slip, same first step — keep it switched off — anywhere you happen to be around Nant-y-Bwch or the rest of Blaenau Gwent.
Already started the engine with AdBlue in the diesel tank around Nant-y-Bwch?
The AdBlue has left that tank, then. Given any running time, it goes on to the injection pump and each injector, after passing through the fuel filter and lines.
You may notice the engine running roughly, smoking, losing power, showing warning lights or cutting out, perhaps on the way back from Parc Bryn Bach or halfway across Nant-y-Bwch. No starting it again to check: pull over once it is safe, then turn it off. Each start pulls more of that through.
On the M4, under 25 miles from Nant-y-Bwch, the first junction is where to exit, and somewhere sensible is where to park — not carrying on.
Each mile pushes the AdBlue deeper in. That's why crossing Nant-y-Bwch to park near The Forgotten 53 Memorial and a drive of under 25 miles for Newport are such different jobs. Let us know roughly how far it had come.
Once the engine has been started, the flush covers more, and all of it is done where your car has stopped. Very rarely does it leave permanent damage when it is spotted quickly.
Nant-y-Bwch: how AdBlue is drained from a diesel
A road beside Siloam Baptist Church, a drive, a layby or a forecourt: wherever your vehicle has stopped around Nant-y-Bwch, our engineers travel to it. Which fluid was put in, roughly the quantity, and if the engine has been run: our engineers ask first, since those shape the work.
Then your tank is emptied where your car sits, and so the polluted fuel and the AdBlue come out together. The system is purged thoroughly, which matters more with AdBlue than with petrol, because what it leaves behind does not rinse out on its own. The fuel filter is flushed, or replaced where it needs to be; fresh diesel goes in; and the vehicle is tested. Roughly half an hour on site is typical for most jobs when your engine hasn't run. Our equipment is explosion-proof, and so a busy forecourt is no problem, and it's quiet enough for a residential street late at night.
Last, your system is primed with fresh diesel. Then our engineers start the engine and you set off, whether from a parking bay outside Rhymney or a drive in Nant-y-Bwch. Before we leave, our technicians check it's running properly with fresh diesel in. As the job is done in full where the car is, a workshop never comes into it. Insurers want a VAT invoice and an engineer report, and you get both afterwards.
About Nant-y-Bwch, briefly
Nant-y-Bwch is a suburban area situated in the county of Blaenau Gwent, Wales, with a riverside setting and an elevation of 348 metres. Nant-y-Bwch lies near the communities of Waundeg, Tynewydd, and Dukes Meadow, and is approximately 17.9 miles from the city of Newport. Nant-y-Bwch has a population of around 1784 people, predominantly living in semi-detached housing. Nant-y-Bwch is located in a region of south Wales, within commuting distance of major cities.
AdBlue drains around Nant-y-Bwch and across Blaenau Gwent
Waundeg, Tynewydd and Dukes Meadow are among the places near Nant-y-Bwch that the same vans serve, along with most of Blaenau Gwent beyond, throughout the NP postcode area. Close to a boundary, or somewhere awkward to explain? Asking is better than guessing, and so phone.
A mobile service suits Nant-y-Bwch, a residential suburb: you have no need to take the car to us, since we drain it there, on a driveway, a residential street, a car park or a filling station.
AdBlue in a diesel tank in Nant-y-Bwch: the cost of fixing it
There is no fair single quote, because the jobs are not the same. The cost moves first with how long, if at all, the engine has been running, and next with the amount of AdBlue that got in. After that it turns on where your car is and whether our van can reach it safely, which is easier on an open driveway than in a tight gap behind Rhymney Valley Gorsedd Stones.
Before a figure, not afterwards, every enquiry from Nant-y-Bwch opens with the same three questions: the fuel, the quantity, and whether it ran. Given those replies, the range narrows to one firm number.
Before a van sets off, you hear the quote by phone. Then you pay on the day, card or by phone, with nothing upfront. Misfuelling cover is part of plenty of insurance policies, so it is worth looking at yours before the van arrives.
In Nant-y-Bwch and still next to the car?
In that case, do nothing — that's the best move available. Keys out; motor and ignition off. Call 0333 366 0103: AdBlue, the amount, plus if the engine ran is everything our engineers need. Petrol in Diesel takes over the rest across Blaenau Gwent, Nant-y-Bwch included.