Chawley: AdBlue in the Diesel Tank? Leave It Off
Motor off, ignition off: that's where you start if AdBlue has gone into the diesel tank. Urea dissolved in water is all AdBlue is. As it is water-based, it will not ignite and never combines with diesel; trouble just comes once the pump begins drawing it. If your engine hasn't run yet, AdBlue in a diesel tank is normally drained and carefully rinsed where the vehicle stands around Chawley. Before you do anything else, call 0333 366 0103.
Chawley, AdBlue in your diesel tank: what to do right away
To do:
- Pull the keys out, so nobody switches the ignition on.
- Near moving traffic? Then put your hazards on.
- Which fluid, and about how much amount? Save the bottle or the receipt, and our technicians will see.
- Tell us a postcode starting OX2 9, or whatever street is nearest, and the van reaches you straight — so call wherever you stand.
Things not to do:
- Moving the car just a few yards is no reason to start the engine.
- Many diesels run their pump the moment your ignition goes on, and so leave the vehicle off.
- Don't top up with diesel to dilute it. AdBlue does not dilute in diesel; it separates out.
- Any driving at all is best avoided, even a short stretch down Chawley Lane.
- Emptying the tank yourself beside the road is not worth trying.
The staff on duty at any Chawley forecourt — the the nearest petrol station among them — will usually lend a hand pushing it clear if you ask. At your own drive, don't 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. It goes into its own tank and is sprayed into your exhaust gas to fresh it. No part in a fuel pump is designed for this fluid — and no part of that was meant to travel through one.
It does not blend. Once it is poured into the tank, AdBlue acts nothing like fuel. Denser than diesel, it sinks and collects underneath it — the same place the intake sucks from. When your system runs, the AdBlue is top of the list to be pulled through. Until then it waits underneath your diesel, which is why a vehicle filled in Harcourt Hill last night and not switched on stays the simple case, provided nobody touches the key.
It causes two kinds of harm 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, and so it keeps labouring on the components it gets to for as long as it stays there. Pipes holding AdBlue mean harm overnight for a car sitting around Chawley. Only inside the tank, it stays the same. Water protects nothing. The high-pressure pump and every injector need diesel flowing through them, so the water part damages them in its own right.
Why is AdBlue in a diesel commonly the bigger issue?
Put petrol in a diesel at the Sainsbury's and you have a fault of thin fuel. It mixes with your diesel, and whilst it's in the tank it does no damage; the damage comes from running your motor on it.
The trouble with AdBlue in a diesel is a completely wrong substance. It cannot just be run through, because it does not burn. It doesn't stay mixed, and so it cannot be diluted. And crystals and corrosion do not wash out with the next tank of fuel. That is why the flush counts more with AdBlue than with petrol, and why starting your motor "to see" costs more here than nearly anywhere else, whether your car is in Henwood or the middle of Chawley.
With AdBlue, the good news is no distinct from petrol. Emptying a tank is the simplest part on a fuel system, and with no running, the AdBlue stays in there — anywhere around Oxfordshire the car has stopped.
How does AdBlue end up in a diesel tank around Chawley?
Plenty of cars place the AdBlue cap beside the diesel cap, occasionally under one flap, and in dim light the two may appear identical. No one intends it. A bottle picked up while heading home and poured in at home, instead of at the filling station, is the usual story.
A couple of familiar ways account for the majority of them. Halfway through the morning drop-off, the dashboard warns, and outside Cumnor Church of England School (Voluntary Controlled) the top-up is rushed. A bottle is poured in at the end of the day on a drive just off Norreys Road. One more pattern: dim light, a pub car park outside The Vine Inn, and a driver using that flap the first time.
It comes up most in a rental, a new vehicle, a fleet motor, or the other car of a family with one of each fuels — the vehicles drivers use the least. Wherever you're around Chawley or the remainder of Oxfordshire, it's the same error and the same first answer: leave it off.
Already started the motor with AdBlue in the diesel tank in Chawley?
In that case, the AdBlue is no longer inside the tank. Through the filter, through the lines, and — given any running — into the high-pressure pump and each injector: that's where it travels.
You may notice the engine running unevenly, smoking, losing power, showing warning lights or cutting out, possibly on the way back from Cumnor Hurst Community Woodland or halfway across Chawley. Pull over when safe. Switch off. Leave it off instead of restarting it to check. With each start, more of that is pulled through.
Chawley sits under 10 miles from the Wheatley Spur; if you were on it, exit at the first junction and stop safely rather than driving on.
A quick hop across Chawley to the car park by St. Michael's Church Cumnor is one thing; heading towards Oxford, under 3 miles away, is another, because every mile pushes the AdBlue deeper in. So distance counts. Roughly how far had it come? Tell us.
Once your engine has run, the flush includes more, and all of it is done where the car has ended up. When it's spotted quickly, permanent damage is very rare.
What emptying AdBlue from a diesel involves in Chawley
Anywhere it has come to rest around Chawley — a filling station, a lay-by, a drive, a road beside Cumnor "Old School Hall" — our van comes to your vehicle. The job rests on three answers, and we get before all else — what went in, the amount, and whether your motor has turned over.
The polluted diesel and the urea come out as one after that tank is emptied, on the spot. With AdBlue, more so than with petrol, the flush counts: the fuel system is flushed right through since what remains won't flush out by itself. Testing your vehicle comes last, once fresh diesel is added and your filter gets flushed or, if needed, swapped. If your engine has not run, most jobs take about half an hour once our engineers are there. Explosion-proof pumps mean a busy forecourt sensible to work on, and they're quiet enough to spare the neighbours at night.
Priming the fuel system with new diesel comes last. Whether it is a parking space outside Oxford or a driveway in Chawley, that is where our technicians fire it up and you set off. The check before our technicians leave is that it runs properly on new diesel. Since the job is done in its entirety where the vehicle is, a workshop never comes into it. At the end, there is the paperwork for the insurer: a VAT invoice plus a written report from the engineer.
About Chawley
Chawley is a small village in Oxfordshire, situated near the city of Oxford and close to Cumnor Hill. Chawley sits at an elevation of 127 metres, with detached housing being the predominant type of accommodation. Chawley is located approximately 2.8 miles from Oxford, making it a commuter-friendly location. Chawley has a population of around 843 residents, with nearby places including Cumnor and Dean Court.
Chawley and Oxfordshire: AdBlue drains across the area
AdBlue jobs in Chawley are passed to vans that serve the places near it — Cumnor Hill, Cumnor plus Dean Court — and most of Oxfordshire further out, throughout OX postcodes. Ring and ask instead of guessing when you are by a border, or anywhere tricky to explain.
A mobile service suits Chawley, a rural village: you have no need to bring your car to us, since we drain it on the spot, in a drive, a side street, a parking area or a forecourt.
What does AdBlue in a diesel tank cost to sort out in Chawley?
Because each callouts vary, a single price would not be fair. Three things change the price: whether the engine has run and for how long, how much AdBlue went in, and where your car is. That last one turns on whether a van can get to it safely, and an open driveway is easier than a tight spot behind Cumnor Village Hall.
That's why every call from Chawley starts with the same three queries, asked before giving a figure, not after: what got in, how much, and whether it's run. When they are known, a range becomes one fixed figure.
Quoted by phone before the van sets out, the job is settled that day — card or phone, no deposit. As our engineer is travelling, dig out your policy: plenty cover misfuelling.
Chawley: still next to your car?
Leaving your vehicle alone is, then, the most useful move open to you. Motor off, keys out, ignition off. Say it was AdBlue, roughly what quantity, and whether the engine ran, on 0333 366 0103. From there Petrol in Diesel takes over, across Chawley or wherever within Oxfordshire.