Stoke Green: AdBlue in the Diesel Tank? Leave It Off
AdBlue in the diesel tank? Then leave the motor off — and the ignition too. In plain terms, AdBlue is just urea in water. Unlike fuel, it neither ignites nor mixes, and nothing happens until your motor pulls it through. A drain and a thorough flush, done where the car is around Stoke Green, is normally what AdBlue in a diesel tank takes — if it's caught before the engine has been run. Before you do anything else, ring 0333 366 0103.
Stoke Green, AdBlue in the diesel tank: what to do right away
Things to do:
- Keys out — then nobody can switch anything on.
- Close to moving traffic? So put the hazard lights on.
- So you can tell us which fluid it was and about how much, keep your receipt or the empty bottle.
- Ring us from where you are. A postcode starting SL3 6, or the name of the nearest street, gets our van to you without a search.
Never do these:
- No starting your motor — not for a second, not to shift your vehicle.
- Turning the key to ignition by itself starts the pump running on plenty of diesels. Avoid it.
- AdBlue doesn't dilute in diesel — it separates out — so adding extra fuel won't weaken it.
- Keep it where it is rather than driving it anywhere, even a short way along Stoke Green.
- No draining it yourself, either, at the roadside.
The staff working at any Stoke Green filling station — the BP included — will usually lend a hand rolling it clear if you ask. On your own driveway, do not touch it at all.
What AdBlue does in a diesel tank
The engine is not what AdBlue is made for; the exhaust is. Stored in a separate tank, it's injected into the exhaust stream to clean the gases. A fuel pump is not made to cope with it, and AdBlue was never intended to go through one.
Tipped in with your diesel, it keeps apart instead of mixing — quite unlike fuel. The pickup sucks fuel from the lowest part of your tank, and that is exactly where AdBlue ends up: being heavier than diesel, it sinks. A motor topped up on a drive in George Green overnight and left unstarted is the simple one. No pump has pulled the AdBlue up yet — though once your motor turns, that is what is pulled first, directly from the bottom of your tank.
Two kinds of damage follow from there. What is left when the water evaporates is urea, which turns into crystals: they lodge in narrow passages and block filters. On top of that, it eats at certain metals in a fuel system, and keeps going until it's cleared out. Lines holding AdBlue mean harm by morning for a vehicle parked around Stoke Green. Just in your tank, it stays stable. The water in it causes damage of its own: your high-pressure pump and the fuel injectors depend on diesel to lubricate them, and water offers them nothing.
Petrol or AdBlue in a diesel: why AdBlue is often worse
Top up a diesel with petrol in error at the Esso, and the problem is diluted fuel. It mixes with the diesel, and whilst it's in your tank it does no harm; the damage comes from running the motor on it.
The issue with AdBlue in a diesel is a totally unsuitable substance. Since it doesn't burn, running it through isn't an option. It does not stay mixed, so it can't be weakened. And crystals and corrosion do not wash out with the next tank of fuel. That is why the flush matters more with AdBlue than with petrol, and why starting the engine "to see" costs more here than nearly anywhere else, whether the car is in Stoke Poges or the middle of Stoke Green.
The good news is the same as with petrol. If the motor hasn't run, the AdBlue is still in the tank, and your tank is the easiest part of a fuel system to clear, wherever around Buckinghamshire your car is standing.
Stoke Green: how AdBlue ends up in a diesel tank
No one means to do it. The AdBlue filler on many vehicles rests right next to your diesel filler, at times under the same flap, and the two caps can look alike in poor light. Mostly it occurs with a bottle bought on the way home and poured in on the driveway, not at the forecourt.
It tends to take place in a couple of familiar ways. Hurrying, outside Wexham Court Primary School, after a warning light came on during the school run, someone tops up your car. Near Wexham Road, someone tips a container in at home after work. Otherwise, after dark by The Red Lion, your car is topped up by someone opening that flap for the first time.
It takes place most in the motors people know least: a hire car, a new car, a company car, or the second car of a household with one diesel and one petrol. Leave it off: that's the first response to an identical slip, anywhere around Stoke Green or the remainder of Buckinghamshire you happen to be.
AdBlue in your diesel tank around Stoke Green, and the engine started?
If so, the AdBlue is no longer in that tank. Via your filter, through the pipework, and — given any running — on to the injection pump and every injector: that's how far it travels.
Lumpy running, smoke from the exhaust, dropping power, dashboard lights or stalling: each might show up, perhaps midway across Stoke Green or returning from Stoke Green Cricket Club. No restarting to check: stop once it is safe, then switch it off. Each start pulls more of that through.
Stoke Green lies under 3 miles from the M4; if you were on it, exit by the next junction and pull up somewhere safe rather than carrying on.
Hopping across Stoke Green to the car park by Thomas Gray's memorial is one matter; driving towards St Albans, under 25 miles away, is something else, since every mile pushes the AdBlue deeper in. So distance counts. Roughly how far it had come is worth telling us.
Once the motor has run, the flush covers more, and all of it is done where your car has come to a stop. Long-term damage is very rare when it's caught early.
What emptying AdBlue from a diesel involves in Stoke Green
The vehicle stays where it is, whether that is a road near St Mary, a drive, a lay-by or a forecourt in Stoke Green, and our van comes to it. Before anything else we ask what got in, roughly how much, and whether the motor has run, since those replies decide this work.
Next, draining the tank right there removes the polluted diesel and the AdBlue together. A careful flush matters much more after AdBlue than with petrol, since what remains won't wash away on its own. A test of your car follows at the end, after fresh diesel is added and the filter is flushed or, if necessary, swapped. If your motor hasn't run, the majority of jobs take about half an hour once we are there. Explosion-proof pumps make a busy forecourt safe to work on, and they're quiet enough not to disturb the neighbours at night.
Lastly, the system is primed with fresh diesel. Starting the engine comes next, and then you set off from where the vehicle is parked, at Slough or on a drive in Stoke Green. We confirm it runs properly on new diesel before we go. Our engineers do it all wherever the car has ended up, and it never needs to go to a workshop. You get a VAT invoice and an engineer report later, which is what insurers ask for.
About Stoke Green itself
Stoke Green is a suburban area in Buckinghamshire, situated inland at an elevation of approximately 40 metres. Stoke Green lies within the South East region, about 19.5 miles from London and 18.4 miles from St Albans. Stoke Green is characterised by its semi-detached housing and is surrounded by nearby places such as Wexham Court, Wexham Street, and Upton Lea.
AdBlue drains across Buckinghamshire, Stoke Green included
AdBlue call-outs around Stoke Green are passed to vans that serve the towns around it — Wexham Court, Wexham Street as well as Upton Lea — and most of Buckinghamshire further out, throughout SL postcodes. If you're near a border, or somewhere hard to describe, ring and ask rather than guessing.
Stoke Green is a residential suburb, and a call-out drain suits it: whether your car is on a home drive, a residential street, a car park or a forecourt, we drain it where it is, so it never needs to be moved to us.
Stoke Green: what AdBlue in a diesel tank costs to fix
There's no honest single price, because the jobs aren't the same. The price changes first with how long, if at all, the engine has been running, and next with the quantity of AdBlue that went in. After that it turns on where the vehicle is and whether a van can reach it safely, which is simpler on an open driveway than in a tight spot behind Holy Redeemer.
Which fluid was put in, how much, plus whether the engine ran: every Stoke Green enquiry begins with exactly those, ahead of any quote, never afterwards. Those answers narrow the range down to one number.
You hear that price by phone, before anybody heads out, and you pay on the day, by card or by phone, with nothing upfront. Plenty of insurance policies include misfuelling cover, and so it's worth checking yours whilst we're on the way.
Still beside the vehicle around Stoke Green?
In that case, do nothing — that is the best step available. Keys out, motor off, ignition off. Call 0333 366 0103: AdBlue, the amount, and if the engine ran is all our engineers ask. Petrol in Diesel takes over the rest across Buckinghamshire, Stoke Green included.