AdBlue in a Diesel Tank in Spon Green? Don't Start It
Motor off, ignition off: that's how you start if AdBlue has gone into your diesel tank. AdBlue is urea dissolved in water. Not like fuel, it neither burns nor mixes, and nothing starts until the motor sucks it through. In Spon Green, AdBlue in a diesel tank caught before your engine runs usually means a drain and a thorough flush, just where the vehicle is. Before anything, ring us on 0333 366 0103.
What to do right now, Spon Green: AdBlue in your diesel tank
To do:
- Pocket the keys, which stops anyone switching the power on.
- Close to moving traffic? Then put the hazard lights on.
- So you can tell us which liquid it was and roughly what quantity, keep the till receipt or the empty bottle.
- Give us a postcode starting CH7 3, or whatever street lies closest, and our van finds you straight — so ring wherever you stand.
Never do these:
- Not even for a second, and not to roll your car: the engine remains off.
- Do not switch your ignition on. On many diesels that alone runs the fuel pump.
- Pouring in more diesel doesn't help: AdBlue settles out instead of blending.
- Any driving at all is to be avoided, even a short way up Spon Green.
- Don't try to drain the vehicle yourself at the kerbside.
The staff working at any Spon Green filling station — the BP included — will usually lend a hand pushing it clear if you ask. On that drive, the vehicle remains just as it is.
AdBlue in a diesel tank, and what it does there
AdBlue is made for the exhaust, not your engine. From a separate reservoir it is fed straight to the exhaust, treating what your motor emits. Neither side suits the other: urea doesn't belong in a pump, and a pump can't take urea.
It doesn't blend. After it's tipped into a tank of diesel, AdBlue acts not at all like fuel. It drops, because it is denser than diesel, and pools low where the intake draws its supply from. Easiest of all: a vehicle that got AdBlue in Buckley last night and hasn't turned since. The liquid waits at the base of that tank, untouched — but it will be the first thing through once your engine runs, before any diesel at all.
It causes two kinds of harm from there. What remains once the water goes is urea, which forms crystals: they settle in tiny channels and clog filters. On top of that, it eats at certain metals in the fuel system, and keeps going until it's cleared out. By daybreak, a car parked around Spon Green with AdBlue in its lines grows worse; if it is only inside that tank, nothing changes. Then there is the water: it offers no protection to the parts that rely on it most — the high-pressure pump and each injector.
AdBlue in a diesel: why it's commonly worse than petrol
Petrol put into a diesel on Texaco's forecourt leaves the fuel watery — that is the main problem. It mixes with the diesel, and whilst it is inside your tank it does no harm; the damage comes from running the engine on it.
AdBlue in a diesel is a different problem: not thin fuel, yet no fuel at all. Not burning, it cannot simply be run through. It does not stay mixed, so it can't be weakened. And crystals and corrosion don't wash out with the next tank of fuel. That's 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 car is in Nant Mawr or the middle of Spon Green.
The same good news applies as with petrol. If the motor hasn't run, the AdBlue is still inside your tank, and that tank is the quickest part of a fuel system to clear, wherever across Flintshire your car is sitting.
How does AdBlue end up in a diesel tank around Spon Green?
Many vehicles place the AdBlue cap beside the diesel one, occasionally behind a single flap, and after dark the two can look identical. Nobody means it. A bottle picked up while driving home and poured in at home, instead of at the forecourt, is the typical route.
It tends to take place in a few familiar ways. Hurrying, outside Dodleston CofE Primary School, after a warning light flashed on during the school run, a parent refills the car. Close to Brickfields, someone pours a bottle in at home in the evening. Otherwise, in dim light outside The Nant Inn, the car gets topped up by someone using that flap the first time.
Hired vehicles, brand-new motors, company vehicles, or the spare car in a family with both fuels: the least known vehicles see it the most. Keep it switched off: that is the first step to the same slip, anywhere in Spon Green or the remainder of Flintshire you happen to be.
Spon Green: started your engine with AdBlue in your diesel tank?
Then the AdBlue has left that tank. It has been sucked through the fuel filter and the lines, and if the engine ran for any time, it has got to the high-pressure pump and the injectors.
You may see the engine running unevenly, smoking, losing power, showing warning lights or cutting out, possibly on the way back from Buckley Coronation Park or halfway across Spon Green. Pull over when it is safe. Switch off. Leave the vehicle off rather than testing it again. Each start pulls more of it through.
Exit the M56, under 10 miles from Spon Green, by the first junction and stop somewhere safe, rather than carrying on.
Each mile carries the AdBlue deeper into the system. That is why crossing Spon Green to park beside Buckley War Memorial and a drive of under 10 miles for Chester are such separate jobs. Tell us about how far it had come.
Once your engine has been started, the flush covers more, and all of it is done where the vehicle has ended up. Very rarely does it leave lasting damage when it is caught early.
Clearing AdBlue in a diesel around Spon Green: what it takes
A street by Buckley Library, a drive, a layby or a forecourt: anywhere your car has stopped in Spon Green, our technicians come to it. The work rests on three answers, which our technicians get first — what was put in, the amount, and whether your engine has run.
The polluted diesel and the urea leave together after that tank is emptied, on the spot. What remains from AdBlue won't flush away unaided, so the whole system gets a full flush, which matters far more here than with petrol. After that, your filter: flushed, or replaced when it must be. Then clean diesel, and then a check of the car. Most of these jobs are a half-hour job once our technicians turn up, if the engine has not run. Low-noise enough for use outside a house at night, and fine on a busy forecourt, our pumps are explosion-proof.
The last step is to prime the fuel system on clean diesel. Whether it's a parking bay at Buckley or a driveway in Spon Green, that is where our engineers fire it up and you head off. Before leaving, our engineers check it's running correctly with new diesel in. Because the job is done in its entirety where your car is, a garage never comes into it. Insurers want a VAT invoice and an engineer report, and both come afterwards.
About Spon Green, briefly
Spon Green is a suburban area in Flintshire, situated inland at an elevation of 143 metres, approximately 7.5 miles from Chester. Spon Green is characterized by its predominantly detached housing stock, with nearby places including Lane End, Coppa View, and Little Mountain. Spon Green sits within a wider landscape of rolling hills and countryside, typical of the Welsh borders. Spon Green is home to a population of around 3761 residents.
AdBlue drains across Spon Green and Flintshire
AdBlue call-outs around Spon Green go to teams that cover the towns near it — Lane End, Coppa View plus Little Mountain — and much of Flintshire beyond, throughout CH postcodes. If you are near a border, or somewhere hard to explain, ring and ask rather than guessing.
No moving is needed. In Spon Green, a residential suburb, a van that comes to you works: the car is emptied where it stands, whether on a driveway, a side street, a parking area or a filling station.
AdBlue in a diesel tank around Spon Green: the cost of fixing it
Each job differs, and so no fixed price is fair. The cost shifts first with how long, if at all, the engine has been running, and next with the amount of AdBlue that went in. After that it rests on where the car is and whether a van can reach it safely, which is simpler on an open driveway than in a tight gap behind Saint John's URC.
That is why every call from Spon Green starts with the same three questions, asked before giving a figure, not after: what was put in, how much, and if it has run. When those are answered, a range turns into one firm figure.
Before anyone heads out, you are told the price on the phone. Then payment is on the day, card or by phone, with nothing in advance. While the van is travelling, check your policy: many include misfuelling.
In Spon Green and still alongside the car?
In that case, do nothing — that's the most helpful move there is. Keys out, engine off, ignition off. Say it was AdBlue, roughly how big an amount, and whether the engine ran, on 0333 366 0103. From there Petrol in Diesel takes over, across Spon Green or anywhere in Flintshire.