Holway: AdBlue in the Diesel Tank? Leave It Off
With AdBlue in your diesel tank, your ignition remains off and so does your motor. Water with urea mixed in it: that's AdBlue. The trouble starts once it is sucked through the pump — it won't burn, and it won't blend with diesel. A drain and a thorough flush, done where your car is around Holway, is usually all AdBlue in a diesel tank needs — if it's caught before your engine has been run. No step comes before ringing 0333 366 0103.
Those opening minutes: AdBlue in your diesel tank around Holway
Things to do:
- Pull the keys out, and so no one switches your ignition on.
- Near moving traffic? So put the hazards on.
- Which fluid, and roughly how much volume? Save the bottle or your receipt, and we can see.
- Call just where you are. Say a CH8 7 postcode or the closest street name, and no one has to search for you.
Not to do:
- No starting your motor — not for a second, not to reposition the vehicle.
- Many diesels power their pump the instant the ignition comes on, and so leave the vehicle off.
- Don't top up with diesel to thin it. AdBlue doesn't mix in diesel; it separates out.
- Even a short way along Moorfields is too far to drive the car.
- Beside the road, don't attempt draining it on your own.
On a forecourt in Holway, whether it's the Texaco or another one, ask the attendants to help you roll your car away from the petrol pump. Parked on your own drive? Then it stays exactly where it is.
What does AdBlue do in a diesel tank?
The motor is not what AdBlue is made for; your exhaust is. Stored in a separate tank, it's injected into the exhaust stream to treat the fumes. A fuel pump is not designed to cope with it, and AdBlue was never intended to go through one.
Fuel mixes; AdBlue, once poured in, will not. The behaviour is nothing like diesel's. It sinks, since it is heavier than diesel, and pools low where the intake takes its supply from. A vehicle topped up on a drive in Carmel yesterday evening and not started since counts as the straightforward one. No pump has sucked the AdBlue up yet — but once the engine runs, that's what is pulled first, directly from the bottom of your tank.
It causes two kinds of damage from there. Crystals and corrosion. As the water dries, it leaves urea that hardens in filters and tiny passages; meanwhile, because it eats at some metals, every part it reaches keeps suffering for as long as it stays inside. Overnight, a vehicle sitting around Holway with AdBlue through its pipework grows worse; if it is just inside that tank, it doesn't. Diesel protects the injection pump and each injector as it flows; water gives none of that, which is a separate form of damage.
Why is AdBlue in a diesel frequently the bigger issue?
Top up a diesel with petrol in error over at the Shell, and the issue is diluted fuel. Damage just comes from driving on it. Blended into your diesel and sitting inside your tank, it does nothing.
AdBlue in a diesel is a fault of the wrong substance altogether. It does not burn, and so it cannot simply be run through. Whether your car is in Bryn Celyn or the heart of Holway, turning it over "to see" costs more with AdBlue than almost any other error, and the flush counts more. Why: it will not remain mixed, so diluting it is impossible; and deposits and corrosion survive the following fill.
As with petrol, there is good news. If the motor hasn't run, the AdBlue is still in that tank, and your tank is the easiest part of a fuel system to clear, wherever in Flintshire the vehicle is sitting.
How does AdBlue end up in a diesel tank in Holway?
Nobody means to do it. The AdBlue filler on plenty of cars waits right next to your diesel filler, at times under the same flap, and the two caps can look alike in poor light. A container bought while driving home and tipped in at home, instead of at the filling station, is the usual route.
Mostly, it takes place in one of a couple of familiar ways. The top-up is rushed outside the local primary school, after your dash lit up with a warning while the children were dropped in. After work, a bottle is tipped in on a drive close to Springfields. Or your car is topped up in the car park at Talacre, in poor light, by somebody who has never opened that flap before.
Hired cars, brand-new motors, fleet cars, or the second car in a home with one of each: the least known cars see it most. Same slip, an identical first step — keep it switched off — anywhere you happen to be around Holway or the remainder of Flintshire.
Started the engine with AdBlue in the diesel tank around Holway?
The AdBlue has left your tank, then. Via the filter, through the pipework, and — given any running — on to the injection pump and every injector: that is where it travels.
Maybe returning from Maen Llwyd, or midway across Holway, your motor may go lumpy, smoke, drop power, flash your dash or cut out. Stop as soon as it is safe, switch off, and don't restart the vehicle to check. Each start pulls more of that through.
If you were on the M53, under 10 miles from Holway, come off at the next exit and stop somewhere safe rather than pressing on.
Every mile pushes the AdBlue deeper into your system. That's why a hop across Holway to park near Eyton's Shaft Lead Mine and a drive of under 10 miles towards St Asaph are very separate jobs. Roughly how far had it come? Tell us.
Wherever the vehicle came to a stop is where all of it gets done, even with more to clean out once your engine has been running. Very rarely does it leave lasting damage when it is caught quickly.
Holway: how AdBlue is emptied from a diesel
Anywhere it has come to rest in Holway — a filling station, a layby, a driveway, a road by St Winefride's Chapel — the van travels to your vehicle. The job rests on three replies, which we get first — which fluid got in, the quantity, and whether the engine has run.
The polluted diesel and the urea leave as one after that tank is drained, right there. The fuel system is purged thoroughly, which matters more with AdBlue than with petrol, since what it leaves behind does not rinse out on its own. After that, your filter: cleaned, or changed if it has to be. After that clean diesel, and then a check of the vehicle. Engine not run? In that case count on about half an hour on site for most jobs. Explosion-proof pumps mean a busy forecourt safe to work on, and they're quiet enough not to disturb the neighbours at night.
Lastly, your system is primed with clean diesel. Starting it comes next, and then you set off from where the car is parked, outside Flint or on a driveway in Holway. Our engineers confirm it runs properly on fresh diesel before we leave. The whole job is done where your car is, so it never has to be taken to a garage. Your insurer is likely to want an engineer's report and your VAT invoice — each handed over once the job is done.
About Holway itself
Holway is a suburban area in Flintshire, situated on the north Welsh coast, with an elevation of around 145 metres. Holway lies near several notable locations, including Mwdwl-eithin and Pen-y-Ball Top, and is close to the city of St Asaph. Holway is characterized by its predominantly semi-detached housing stock, reflecting the residential nature of the area.
AdBlue drains in Holway and across Flintshire
AdBlue call-outs around Holway are passed to teams that cover the towns around it — Mwdwl-eithin, Pen-y-Ball Top as well as Smithy Gate — and most of Flintshire beyond, throughout CH postcodes. Close to a border, or somewhere awkward to pin down? Asking is better than assuming, so phone.
A van that comes to you fits Holway, a residential suburb: there's no need to take the vehicle to us, because our technicians drain it on the spot, on a driveway, a side street, a car park or a filling station.
What AdBlue in a diesel tank costs to put right in Holway
There is no fair single price, since the jobs are not the same. Whether the motor has run, and for how long, comes first in what changes the price. How much AdBlue went in comes next, and then the location of the car, since an open driveway is simpler for a technician to get to safely than a tight spot behind St Winefride’s Well Museum.
Which fluid got in, what quantity, plus whether the engine ran: every Holway call opens with exactly that, before any quote, never after. When they are answered, a range turns into a single fixed number.
Before a van heads out, you are told the quote on the phone. And you pay on the day, card or over the phone, with nothing upfront. Plenty of insurance policies include misfuelling cover, and so it is worth checking yours while we are on the way.
Still next to the vehicle in Holway?
Not touching the car is, right now, the most useful thing open to you. Keys out, engine off, ignition off. Phone 0333 366 0103 and tell us it is AdBlue, about how much, and if it's run. Petrol in Diesel takes it from there, in Holway or anywhere in Flintshire.