AdBlue in the Diesel Tank in High Town? Keep It Switched Off
AdBlue in your diesel tank? Then keep the engine off — and your ignition as well. AdBlue is urea dissolved in water. As it is water-based, it will not burn and never combines with diesel; damage only comes once the pump begins drawing it. Caught before your motor has been run, AdBlue in a diesel tank is normally a drain and a thorough flush, done where the car is in High Town. Nothing comes before ringing 0333 366 0103.
High Town, AdBlue in the diesel tank: what to do at once
Do these:
- Pull your keys out, and so no one switches the ignition on.
- If you are at all close to moving traffic, put your hazards on.
- The empty bottle or the receipt shows us the fluid and the quantity, and so don't bin it away.
- Call us from where you are. A postcode starting WV16 4, or the name of the closest street, brings our van to you without a search.
Never:
- No starting your engine — not briefly, not to shift the vehicle.
- Many diesels run their pump the moment the ignition comes on, so keep it off.
- No extra fuel on top. The AdBlue will not blend, and so it's wasted.
- Do not drive it anywhere, not even a short distance along Church Street.
- Emptying the tank on your own beside the road isn't one to try.
Ask the attendants to help you roll your vehicle off the pumps if you're on a forecourt around High Town, whether it's the Esso or somewhere else. Stopped on your own driveway? Then it stays exactly as it is.
AdBlue in a diesel tank: what it does
Meant for the exhaust, AdBlue has no place in the engine. Its own reservoir keeps it, and from there it is sprayed into the exhaust, and there it treats the fumes. Nothing in a fuel pump is made for this fluid — and no part of that was meant to travel through one.
Inside a diesel tank it acts really differently from fuel. It does not mix in. It drops, because it is heavier than diesel, and settles low where the pickup draws its supply from. A motor topped up on a drive in The Grove yesterday evening and not started since is the straightforward one. Nothing has sucked the AdBlue up so far — though when your motor runs, that's what is pulled first, directly from the bottom of the tank.
Two kinds of damage come from there. As its water goes, the urea left behind crystallises, and the crystals block filters and settle in fine passages. And it's corrosive to some of the metals a fuel system is made from, so it keeps working on the parts it gets to for as long as it remains there. Lines holding AdBlue spell harm by morning for a vehicle sitting around High Town. Only in your tank, it stays the same. Diesel lubricates the injection pump and each injector as it passes; water offers none of that, which is a second form of damage.
Petrol or AdBlue in a diesel: why AdBlue is often worse
Top up a diesel with petrol by mistake over at the Shell, and the problem is thinned fuel. Mixed through the diesel and left unused, it's harmless at that stage; running the motor is the harm.
With AdBlue in a diesel, the fluid itself is plainly the wrong one. It doesn't burn, and so it can't simply be run through. Nor can it be thinned, because it separates again — and the next fill will not rinse away crystals or corrosion. So the flush matters more here, and turning the key "to see", in the centre of High Town or out in Oldbury, costs more than almost any other error.
As with petrol, there is good news. Never run? Then the AdBlue waits just inside the tank, the simplest section of the entire system to clear, anywhere the vehicle has stopped across Shropshire.
How AdBlue ends up in a diesel tank in High Town
It is not on purpose. Plenty of vehicles have the AdBlue inlet alongside the diesel inlet, now and then under one flap, and mixing them up is easy after dark. A container bought when heading home and tipped in at home, rather than at the forecourt, is the typical story.
A couple of familiar ways cover the majority of them. Hurrying, outside St John's Catholic Primary School, A Voluntary Academy, after a warning lamp came on during the school run, someone refills the vehicle. A bottle is poured in at the end of the day on a drive just off Whitburn Street. Or a driver new to that flap refills the vehicle after dark, parked in the car park by The Crown.
Hired vehicles, brand-new motors, fleet cars, or the spare vehicle in a family with both fuels: the least known cars see it most. Wherever in Shropshire, High Town included, the mistake doesn't change, and neither does the first step: keep it switched off.
Already started your engine with AdBlue in the diesel tank around High Town?
The AdBlue has left your tank, then. It's been pulled through the filter and your lines, and if the engine ran for any time, it has reached the high-pressure fuel pump and your injectors.
Rough running, smoke from the exhaust, lost power, dashboard warnings or stalling: each might show up, perhaps part way across High Town or coming back from Bridgnorth Cricket Club. When safe, pull over then switch everything off — with no turning it on again to see. Every start pulls more of that through.
On the M54, under 10 miles from High Town, the first junction is where to exit, and anywhere safe is where to stop — not driving on.
Distance counts: every mile carries the AdBlue deeper in, so driving towards Wolverhampton, under 15 miles away, makes a far larger job than hopping across High Town to the car park by Bridgnorth Outdoor Market. About how far it had come is worth telling us.
We do all of the rinsing where the vehicle has ended up, and once the motor has run there is more of it. Long-term damage is very rare if it is noticed early.
Clearing AdBlue in a diesel around High Town: what it takes
Anywhere it has stopped in High Town — a filling station, a lay-by, a drive, a street beside Northgate — the van comes to your vehicle. Before anything else our technicians ask what went in, about how much, and whether your motor has been run, because those answers determine this work.
On the spot, your tank is then emptied, and both the contaminated diesel and the urea leave as one. The system is cleaned thoroughly, which counts more with AdBlue than with petrol, since what it leaves behind does not rinse out on its own. The fuel filter is flushed, or replaced where it needs to be; clean diesel goes in; and the car is tested. Not run? Then count on roughly half an hour on site for most jobs. Low-noise enough to use outside a house at night, and fine on a busy forecourt, the pumps are explosion-proof.
Bleeding the fuel system with fresh diesel comes at the end. You drive off as soon as we have fired it up, and it makes no difference whether the vehicle is on a driveway in High Town or in a space at Cosford. It is checked on clean diesel to confirm it runs properly before we head off. No workshop is needed at any stage, with the entire job done then and there. Afterwards, there is paperwork for the insurer: a VAT invoice and a written report from the engineer.
About High Town and where it is
High Town is a suburban area in Shropshire, situated on the riverside at an elevation of 72 metres, with terraced housing being the predominant type of accommodation. High Town is located near several notable places, including Bridgnorth, Low Town, and Castle Hill, and is approximately 12.7 miles from Wolverhampton. High Town has a population of around 3470 residents, who enjoy a relatively quiet location despite being within commuting distance of larger cities. High Town is also some 120.6 miles from London, making it a potential base for those who need to travel to the capital,
AdBlue drains across High Town and Shropshire
AdBlue call-outs around High Town are passed to teams that serve the towns near it — Bridgnorth, Low Town as well as Castle Hill — and most of Shropshire beyond, across WV postcodes. Near a boundary, or anywhere tricky to explain? Asking beats assuming, and so phone.
A van that comes to you suits High Town, a residential suburb: you have no need to bring your vehicle to us, since our engineers drain it on the spot, in a driveway, a side street, a car park or a forecourt.
AdBlue in a diesel tank in High Town: the cost of fixing it
Not one flat price could be fair, since every job is different. Whether the motor has run, and for how long, comes first in what moves the price. How much AdBlue was put in comes next, and then the location of your car, because an open drive is easier for a technician to reach safely than a tight spot behind Northgate Museum.
That is why each call from High Town starts with the same three queries, asked before giving a figure, not after: what was put in, how much, and if it has run. Those answers shrink a range down to a single number.
Priced on the call before the van sets out, it is paid for on the day — card or phone, nothing in advance. Misfuelling cover comes with many insurance policies, so it pays to look at yours before the van gets there.
High Town: still alongside the car?
Then the most helpful thing you can do is nothing to the vehicle. Motor off, keys out, ignition off. Petrol in Diesel takes over the remainder, in High Town or anywhere in Shropshire, once you phone 0333 366 0103 to say it's AdBlue, about what quantity, and if the engine ran.