Steeple Claydon: AdBlue in the Diesel Tank? Leave It Off
With AdBlue in your diesel tank, the ignition remains off and so does your engine. Chemically, AdBlue is simply urea in water. The harm begins once it is pulled through the lines — it will not ignite, and it won't combine with diesel. Caught before the motor has been run, AdBlue in a diesel tank is usually a drain and a thorough flush, done where your car is around Steeple Claydon. Before anything, ring us on 0333 366 0103.
What to do straight away, Steeple Claydon: AdBlue in the diesel tank
Do:
- Keys out — that way no one can switch anything on.
- Near moving traffic? Then put the hazard lights on.
- Hold on to the till receipt or the empty bottle, so you can tell us what got in and roughly how much.
- Our van finds you quickest with a postcode starting MK18 2, or simply the name of a street nearby, so call from the car.
Not to do:
- Moving the car even a few yards is no reason to start the motor.
- Turning your key to ignition alone starts the pump going on plenty of diesels. Avoid it.
- AdBlue does not mix in diesel — it separates out — so adding more diesel won't weaken it.
- Leave it where it is rather than driving it anywhere, even a short way along North End Road.
- Draining the tank yourself beside the road isn't worth trying.
The attendants working at any Steeple Claydon filling station — the Esso included — will usually lend a hand pushing it clear if you ask. If you're on your own drive, leave it just where it stands.
What AdBlue does in a diesel tank
Not your engine but your exhaust is where AdBlue belongs. From a separate reservoir it is fed straight to your exhaust, cleaning what your motor emits. Neither side fits the other: urea does not belong in an injection pump, and an injection pump can't take urea.
Inside a diesel tank it behaves very differently from fuel. It does not mix in. Heavier than diesel, it sinks and pools underneath it — the very spot the intake sucks from. A car filled on a drive in Twyford overnight and not started since is the straightforward one. No pump has pulled the AdBlue up yet — but once your motor turns, that is what goes first, directly from the bottom of your tank.
From there it causes two kinds of damage. It eats at some metals found in fuel systems, working on any part it touches till it's removed completely. And once the water goes, the urea forms crystals that clog filters and settle in narrow passages. Pipes holding AdBlue mean damage overnight for a car sitting around Steeple Claydon. Only inside the tank, it stays stable. The water in it causes harm of its own: the high-pressure fuel pump and your injectors rely on diesel to lubricate them, and water gives them nothing.
Petrol or AdBlue in a diesel: why AdBlue is often worse
An issue of thinned fuel is what you get from filling a diesel with petrol from the Tesco. It mixes with the diesel, and whilst it is inside that tank it causes no damage; the harm comes from running the engine on it.
AdBlue in a diesel is a different matter: not thin fuel, but no fuel at all. Because it doesn't burn, running it through is not an option. Whether your vehicle sits in Charndon or the heart of Steeple Claydon, firing it up "to see" does more harm in this case than almost any other slip, and the flush matters more. Why: it will not stay blended, so watering it down fails; and deposits and corrosion survive the next fill.
With AdBlue, the good news is no distinct from petrol. If your engine hasn't run, the AdBlue is still in that tank, and your tank is the quickest part of a fuel system to clear, wherever across Buckinghamshire your car is standing.
Steeple Claydon: how AdBlue ends up in a diesel tank
Nobody means to do it. The AdBlue filler on plenty of cars waits right next to the diesel filler, sometimes under the same flap, and the two caps can look alike in poor light. Most of the time it happens with a bottle bought on the way home and poured in on the driveway, not at the forecourt.
The ways it takes place are few and familiar. Halfway through the morning drop-off, the dashboard warns, and outside Steeple Claydon School and Pre-School the top-up is hurried. Someone tips the container in outside their house, right off West Street, as the day ends. Or the car is topped up in the car park outside The Fountain, in poor light, by a person who has never opened that flap before.
It occurs most in the cars drivers know least: a hire car, a new motor, a company car, or the second car of a household with one diesel and one petrol. Wherever you are in Steeple Claydon or the rest of Buckinghamshire, it is the same mistake and the same first answer: leave it off.
Started the motor with AdBlue in the diesel tank in Steeple Claydon?
In that case, the AdBlue is no longer inside that tank. The fuel filter and pipework have had it sucked through, and any running carries it on to the high-pressure pump and each injector.
You may see your engine running unevenly, smoking, losing power, showing warning lights or cutting out, perhaps on the way back from Calvert Jubilee Nature Reserve or halfway across Steeple Claydon. Stop as soon as it is safe, switch off, and do not restart the car to check. More of that is pulled through with each start.
Leave the M40, under 10 miles from Steeple Claydon, at the first junction and stop somewhere safe, not driving on.
How far it went matters. A few hundred yards across Steeple Claydon to the car park by Steeple Claydon Methodist Church is a very different job from a run towards Milton Keynes, under 15 miles away, with the AdBlue reaching further into your system with each mile. Tell us about how far it had come.
There is more to flush once the engine has run, and our technicians do all of it where the vehicle has ended up. Noticed early, it very seldom leaves permanent damage.
What clearing AdBlue from a diesel involves in Steeple Claydon
The vehicle remains put, whether that is a street beside St. Michael's, a drive, a layby or a forecourt around Steeple Claydon, and the van comes to it. The work rests on three answers, which our technicians ask for first — what went in, the quantity, and if the motor has run.
Right there, your tank is then emptied, and all of the contaminated diesel and the urea come out as one. With AdBlue, more so than with petrol, flushing counts: the whole system is cleaned all the way through because what remains won't wash out by itself. Fresh diesel goes in after your filter is flushed — or replaced, if it needs to be — and then your vehicle is tested. Roughly half an hour on site is usual for most jobs when your motor has not run. Quiet enough for use outside a house at night, and fine on a working forecourt, our pumps are explosion-proof.
The last step is to bleed the fuel system on clean diesel. You head off as soon as our engineers have started the car, and it makes no difference whether the vehicle is on a driveway around Steeple Claydon or in a bay outside Bicester North. It's tested on fresh diesel to be sure it runs correctly before our engineers go. Our technicians do it all wherever the car has stopped, and it never needs to go to a garage. At the end, you are given the paperwork for your insurer: a VAT invoice and a written report from the engineer.
About Steeple Claydon and where it is
Steeple Claydon is a village in Buckinghamshire, situated on the banks of the River Great Ouse at an elevation of around 85 metres. Steeple Claydon lies near the villages of Hillesden and Middle Claydon, and is approximately 12 miles from Milton Keynes. Steeple Claydon has a mix of housing types, but detached homes are particularly prevalent in the area. Steeple Claydon is also within commuting distance of London, being around 47 miles from the capital.
AdBlue drains across Buckinghamshire, Steeple Claydon included
AdBlue call-outs in Steeple Claydon go to teams that cover the towns around it — Hillesden, Middle Claydon as well as Calvert — and most of Buckinghamshire beyond, throughout MK postcodes. Guessing won't help by a border or somewhere tricky to describe; ring and ask.
Wherever the vehicle sits — a driveway at home, a residential street, a parking area, a forecourt — our engineers drain it on the spot, with no need to take it to us; which suits Steeple Claydon, a village, well.
What AdBlue in a diesel tank costs to put right in Steeple Claydon
There's no honest single price, since the jobs are not the same. What moves the price is, firstly, whether the engine has been running and for how long; then how much AdBlue was put in; and finally where the car is and whether our van can get to it safely, which is simpler on an open driveway than in a tight space behind All Saints.
That's why each call from Steeple Claydon starts with the same three queries, asked before giving a figure, not after: what was put in, how much, and whether it has run. Once those are answered, a range becomes a single fixed figure.
Quoted on the call before the engineer heads out, the job is paid for that day — card or phone, nothing in advance. Look at your policy whilst we're on the way: plenty include misfuelling cover.
Steeple Claydon: still next to the car?
Then, the most helpful thing to do with your vehicle is to not touch it. Keys out, motor off, ignition off. Petrol in Diesel takes over the remainder, in Steeple Claydon or anywhere within Buckinghamshire, after you ring 0333 366 0103 saying it was AdBlue, about how big an amount, and if the engine ran.