Don't Start It: AdBlue in a Diesel Tank in Deiniolen
Motor off, ignition off: that's where you start if AdBlue has gone into the diesel tank. AdBlue is urea dissolved in water. The harm begins once it's pulled through the lines — it will not burn, and it won't blend with diesel. In Deiniolen, AdBlue in a diesel tank caught before your engine runs normally comes down to a drain and a thorough flush, just where the car is. First, call us on 0333 366 0103.
AdBlue in the diesel tank around Deiniolen: the first few minutes
To do:
- Pull your keys out, and so no one switches your ignition on.
- Put the hazard lights on if you are at all close to moving traffic.
- The empty bottle or the till receipt shows us the product and the amount, and so don't throw it out.
- Ring us from where you are. A postcode starting LL55 3, or the name of the nearest street, gets our van to you without a search.
Never do these:
- Not even for a second, and not to shift your car: the motor remains off.
- Don't switch the ignition on. On plenty of diesels that alone runs the fuel pump.
- AdBlue doesn't dilute in diesel — it separates out — so adding more fuel won't thin it.
- Never drive the vehicle anywhere, not even a short way along New Street.
- Draining the tank on your own beside the road is not one to try.
Get the people behind the counter to help you roll the vehicle away from the pumps if you are on a forecourt around Deiniolen, whether it is the Calor or somewhere else. On your own driveway, do not move it at all.
AdBlue in a diesel tank, and what it does there
The motor isn't what AdBlue is made for; your exhaust is. Kept in a separate tank, it's injected into the exhaust stream to clean the fumes. Neither side fits the other: urea does not belong in a pump, and an injection pump can't deal with urea.
Tipped in with your diesel, it keeps apart instead of mixing — quite different from fuel. The intake takes fuel from the deepest part of your tank, and that is precisely where AdBlue ends up: being heavier than diesel, it sinks. The first thing the fuel system pulls through, after it runs, is the AdBlue. So a vehicle that had AdBlue poured in on a drive in Fachwen last night, and hasn't been started since, is still the simple case: the AdBlue is lying at the bottom of the tank, and nothing has sucked it in.
It does two kinds of harm from there. What is left when the water evaporates is urea, which turns into crystals: they settle in narrow channels and block filters. On top of that, it attacks certain metals in the fuel system, and carries on until it's flushed out. A car left sitting in Deiniolen with AdBlue already in its lines is worse by the morning; one with AdBlue only in its tank isn't. Diesel lubricates the injection pump and each injector as it passes; water offers no lubrication, and that is a second form of harm.
Why AdBlue in a diesel is often more major than petrol
Petrol put into a diesel on Texaco's forecourt leaves your fuel watery — that's the main problem. It mixes with your diesel, and while it is inside the tank it does no damage; the damage comes from running the motor on it.
AdBlue in a diesel is another matter: not thin fuel, but no fuel at all. Not burning, it cannot simply be run through. Nor can it be thinned, because it splits back out — and the next fill will not rinse away crystals or corrosion. So the flush counts for more here, and trying your engine "to see", in the centre of Deiniolen or out in Dinorwig, costs more than almost any other mistake.
With AdBlue, the good news is no distinct from petrol. Emptying a tank is the easiest job on a fuel system, and with no start-up, the AdBlue stays in there — anywhere across Gwynedd your vehicle sits.
How AdBlue ends up in a diesel tank in Deiniolen
It is not deliberate. Plenty of vehicles keep the AdBlue cap alongside the diesel one, occasionally behind one flap, and muddling them up is simple after dark. It mostly occurs at home, from a container grabbed on the journey home, rather than at the forecourt.
A few familiar ways account for the majority of them. A warning light comes on during the school run, and the top-up happens in a hurry outside the local primary school. A driver pours the bottle in at home, just off Porth y Gogledd, as the day ends. One more version: dim light, the car park by the pub in the village, and someone using that flap for the first time.
It happens most in the motors people know least: a hire car, a new motor, a company car, or the second car of a household with one diesel and one petrol. An identical slip, an identical first response — keep it off — wherever you are in Deiniolen or the rest of Gwynedd.
Deiniolen: started your engine with AdBlue in the diesel tank?
Then that tank is no longer where the AdBlue is. Via your filter, through the lines, and — with any running — into the injection pump and each injector: that's where it travels.
Rough running, smoke, dropping power, dashboard lights or cutting out: each might show up, perhaps part way across Deiniolen or returning from Foel Gron. No starting it again to test: stop once it is safe, then switch it off. Each start pulls more of it through.
On the Moreton Spur, under 50 miles from Deiniolen, the next junction is where to leave, and somewhere safe is where to park — not carrying on.
Each mile carries the AdBlue deeper into your system. That's why crossing Deiniolen to park beside Deiniolen Library and a drive of under 10 miles towards Bangor are such separate jobs. Tell us about how far it had come.
Once your engine has run, the flush includes more, and all of it is done where the car has come to a stop. Permanent damage is very rare if it's caught early.
Clearing AdBlue in a diesel around Deiniolen: what it takes
Wherever it has come to rest in Deiniolen — a filling station, a lay-by, a drive, a street by Deiniolen War Memorial — the van comes to the vehicle. Before anything else we ask what was put in, about how much, and if your engine has run, because those replies decide this work.
Then the tank is drained where the car stands, and so the contaminated fuel and the AdBlue come out together. A full flush counts far more with AdBlue than with petrol, because residue won't clear away by itself. The fuel filter is flushed, or replaced where it needs to be; clean diesel goes in; and your car is tested. If your engine hasn't run, the majority of jobs take about half an hour once our engineers are there. The equipment is explosion-proof, so a live filling station is no problem, and it is quiet enough for a residential street after dark.
Priming your system with new diesel comes at the end. Whether it is a parking space by Bangor (Gwynedd) or a driveway around Deiniolen, that is where our technicians start the engine and you drive off. Our technicians make sure it runs correctly on new diesel before leaving. No workshop is needed at any point, with the entire job done on the spot. You get a VAT invoice and an engineer report afterwards, which is what insurers ask for.
About Deiniolen and where it is
Deiniolen is a village in Gwynedd, situated on the banks of a river at an elevation of 226 metres, with views of the surrounding countryside. Deiniolen lies near the city of Bangor, approximately 5.6 miles away, and is close to other small villages such as Clwt-y-bont and Rhiwen. Deiniolen has a mix of housing types, but terraced houses are the most common, reflecting its history of development as a residential area. Deiniolen is located about 203 miles from London, making it a relatively remote community in northwest Wales.
AdBlue drains across Deiniolen and Gwynedd
AdBlue call-outs around Deiniolen go to vans that cover the places near it — Clwt-y-bont, Rhiwen as well as Gallt-y-foel — and much of Gwynedd beyond, across LL postcodes. Assuming doesn't help close to a border or somewhere tricky to pin down; phone and check.
Deiniolen is a village, and a mobile drain suits it: whether the vehicle is on a home drive, a residential street, a car park or a forecourt, our technicians drain it where it stands, so it never needs to be shifted to us.
What does AdBlue in a diesel tank cost to sort out in Deiniolen?
No single price could be fair, since every job is different. Whether the engine has run, and for how long, comes first in what shifts the price. How much AdBlue got in comes next, and then the position of the car, because an open driveway is easier for a van to get to safely than a tight gap behind Christ Church.
That is why every call from Deiniolen starts with the same three questions, asked before giving a figure, not after: what went in, how much, and whether it has run. Those answers narrow the range right down to one figure.
Quoted by phone before the van sets out, it is paid for that day — card or phone, nothing in advance. Many insurance policies include misfuelling cover, and so it's worth checking yours whilst we're on the way.
In Deiniolen and still beside the vehicle?
Right now, the most helpful thing to do with your car is to leave it. Ignition off, motor off, keys out. Ring 0333 366 0103 then tell us it's AdBlue, about how much, and if it's run. Petrol in Diesel takes it from there, around Deiniolen or anywhere in Gwynedd.