Dunston: AdBlue in the Diesel Tank? Leave It Off
With AdBlue in your diesel tank, the ignition remains off and so does your engine. Water with urea dissolved in it: that is AdBlue. It doesn't burn, it doesn't mix with diesel, and the damage it does starts when the fuel system pulls it in. If the engine hasn't run yet, AdBlue in a diesel tank is generally emptied and thoroughly rinsed where your car stands around Dunston. Ring 0333 366 0103 before you do anything else.
Those opening minutes: AdBlue in your diesel tank around Dunston
Do:
- So nobody can turn the ignition on, take the keys away.
- If you are at all near moving traffic, put the hazard lights on.
- So you can give us which liquid it was and about how much, save the receipt or the empty bottle.
- Give us a postcode starting S41 8, or whichever street is nearest, and our van reaches you straight — so ring from wherever you stand.
Things not to do:
- Not even briefly, and not to shift the vehicle: the motor remains off.
- Your ignition remains off: on lots of diesels, switching it on is enough to run the fuel pump.
- AdBlue does not dilute in diesel — it separates out — so adding more diesel won't weaken it.
- Any driving at all is to be avoided, even a short way up Cobnar Drive.
- No draining it yourself, either, at the roadside.
On a forecourt around Dunston, whether it is the Esso or another one, ask the staff to help you roll the car away from the pump. At home, the car stays exactly as it was left.
What does AdBlue do in a diesel tank?
The motor isn't what AdBlue is made for; the exhaust is. Its own reservoir keeps it, and from there it is fed into the exhaust, and there it treats the fumes. A fuel pump isn't designed to take it, and AdBlue was never supposed to go through one.
Inside a diesel tank it behaves very differently from fuel. It doesn't mix in. It drops, because it's heavier than diesel, and pools low where the pickup draws its fuel from. When the system runs, the AdBlue is first to be pulled through. Until then it waits beneath your diesel, and that is how a car topped up in Newbold Moor yesterday and not started stays the straightforward one, provided no one touches your key.
Once it is drawn in, the damage comes in two forms. What remains when the water goes is urea, which forms crystals: they lodge in narrow channels and block filters. Worse, it eats at certain metals in a fuel system, and carries on till it's flushed out. If the AdBlue is in the pipework, leaving it till morning in Dunston makes things worse. Inside your tank only, time costs nothing. The water in it causes harm of its own: your high-pressure pump and the injectors rely on diesel to lubricate them, and water offers them nothing.
AdBlue in a diesel: why it's regularly worse than petrol
Put petrol in a diesel at the Tesco and you have a problem of thin fuel. Blended into the diesel and sitting unused, it is harmless for now; running the motor is the damage.
The issue with AdBlue in a diesel is a totally wrong substance. Not burning, it can't just be run through. Whether your vehicle is in Upper Newbold or the centre of Dunston, firing it up "to see" does more harm with AdBlue than nearly any other error, and the flush matters for more. The reasons: it won't remain mixed, so watering it down is impossible; and crystals and corrosion survive the next tankful.
With AdBlue, the good news is no distinct from petrol. If the engine hasn't run, the AdBlue is still in the tank, and that tank is the quickest part of a fuel system to clear, wherever in Derbyshire the car is sitting.
Dunston: how AdBlue ends up in a diesel tank
Plenty of motors place the AdBlue filler alongside the diesel cap, occasionally under a single flap, and after dark the two may look the same. Nobody intends it. Most of the time it takes place with a bottle bought on the way home and poured in on the driveway, not at the forecourt.
A couple of familiar ways cover most cases. The top-up gets rushed outside Dunston Primary and Nursery Academy, after your dash lit up with a warning while the children were dropped in. After work, a bottle goes in on a drive near Lindale Road. Or someone new to that flap refills the car in dim light, parked in the car park outside The Moonrakers.
It crops up most in a hire car, a brand-new car, a company motor, or the spare car in a family with both fuel types — the vehicles people know the least. Wherever across Derbyshire, Dunston included, the mistake doesn't change, and neither does the first step: leave it off.
Started the engine with AdBlue in the diesel tank around Dunston?
Then the tank is no longer where the AdBlue is. The filter and pipework have had it sucked along, and any running time takes it on to the high-pressure pump and each injector.
You may notice the motor running unevenly, smoking, losing power, showing warning lights or cutting out, possibly on the way back from Chesterfield Panthers or halfway across Dunston. No starting it again to check: stop once it is safe, then turn everything off. Every start pulls more of that through.
Dunston lies under 5 miles from the M1; if you were on it, leave at the first junction and stop safely instead of driving on.
Every mile pushes the AdBlue further in. That is why a hop across Dunston to park beside St John's Church and a drive of under 10 miles for Sheffield are such different jobs. Tell us roughly how far it had come.
There's more to flush once your engine has run, and our technicians do all of it where the vehicle has ended up. Lasting damage is very uncommon if it is noticed soon.
What does an AdBlue drain on a diesel involve in Dunston?
Wherever it has come to rest in Dunston — a forecourt, a layby, a driveway, a road beside Newbold Library — our van travels to your vehicle. Before anything else our technicians ask what was put in, roughly how much, and whether your engine has run, because those answers determine this work.
Right there, your tank is then emptied, and both the polluted diesel and the urea come out at once. With AdBlue, far more than with petrol, the flush counts: the fuel system is cleaned all the way through because what remains won't flush out unaided. A test of your vehicle follows last, once clean diesel is added and the filter gets flushed or, if necessary, replaced. If your motor has not run, most jobs take about half an hour once our technicians arrive. Explosion-proof pumps make a live forecourt sensible to work on, and they're quiet enough to spare the street at night.
Lastly, your system is bled with fresh diesel. You head off as soon as we have fired it up, and it makes no difference whether the vehicle is on a drive in Dunston or in a space outside Chesterfield. The test before our engineers leave is that it runs smoothly on fresh diesel. No workshop is required at any point, with the whole job done on the spot. The insurer is likely to want an engineer's report and the VAT invoice — both yours once the job is done.
About Dunston
Dunston is a suburban area in Derbyshire, situated approximately 8 miles from Sheffield, with a mix of semi-detached housing and local amenities. Dunston sits at an elevation of 99 metres, in the gently rolling landscape of the East Midlands. Dunston is close to nearby places such as The Bungalows, Sheepbridge, and Newbold, and is home to around 4390 residents. Dunston is located inland, about 133 miles north of London.
AdBlue drains across Derbyshire, Dunston included
The Bungalows, Sheepbridge and Newbold are among the towns around Dunston that the same vans serve, along with most of Derbyshire further out, throughout the S postcode area. Phone and check rather than guess when you're close to a county line, or somewhere awkward to explain.
Wherever the car sits — a drive at home, a residential street, a car park, a filling station — our engineers empty it there, and there's no need to take it to us; that suits Dunston, a residential suburb, well.
What does AdBlue in a diesel tank cost to sort out around Dunston?
Every job is different, so no single quote is honest. Three things shift the price: whether your engine has been running and for how long, how much AdBlue was put in, and where the vehicle is. That last one comes down to whether a van can get to it safely, and an open driveway is simpler than a tight gap behind Hall on the Green.
Before any quote, not after, each call from Dunston begins with three questions: the fuel, the amount, and if it ran. The answers turn a range into a straight price.
Quoted by phone before the engineer heads out, it is paid for that day — card or phone, no deposit. Look at your policy whilst we're on the way: many include misfuelling cover.
Dunston: still next to your car?
Not touching the car is, then, the best thing you can do. Ignition off, motor off, keys out. Call 0333 366 0103: AdBlue, the amount, and if the engine ran is all our technicians need. Petrol in Diesel takes over the remainder across Derbyshire, Dunston too.