AdBlue in a Diesel Tank in Dedham? Don't Start It
Engine off, ignition off: that's how you begin if AdBlue has got into your diesel tank. Urea dissolved in water is what AdBlue is. As it is water-based, it will not ignite and won't blend with diesel; damage just starts once your pump begins drawing it. In Dedham, AdBlue in a diesel tank caught before the motor runs normally means a drain and a thorough flush, just where the vehicle is. Before you do anything else, ring 0333 366 0103.
Dedham, AdBlue in the diesel tank: what to do straight away
Do:
- Keys out — that way no one can power anything on.
- If you are anywhere near moving traffic, put your hazards on.
- Keep the receipt or the empty bottle, so you can tell us what was put in and about how much.
- Ring us from where you are. A postcode starting CO7 6, or the name of the closest street, brings the van to you without a search.
Never do these:
- No starting the engine — not for a second, not to reposition the car.
- Your ignition remains off: on many diesels, switching it on is enough to run the pump.
- Adding more diesel does not work: AdBlue settles out rather than thinning.
- Any driving at all is to be avoided, including a short stretch down Royal Square.
- By the road, don't try emptying it on your own.
The attendants working at any Dedham filling station — the the nearest petrol station included — will usually lend a hand rolling it clear if you ask. At your own drive, do not touch it at all.
AdBlue in a diesel tank: what it does
AdBlue is made for your exhaust, not the engine. Stored in a dedicated tank, it's squirted into the exhaust stream to clean the gases. No part in an injection pump is designed for this liquid — and no part of that was meant to go through one.
Poured in with the diesel, it keeps separate rather than mixing — quite different from fuel. It sinks, since it is heavier than diesel, and pools low where the pickup draws its supply from. Once the system runs, the AdBlue is first to be pulled through. Before then it waits underneath the diesel, which is how a vehicle filled in Lamb Corner yesterday and never switched on stays the straightforward one, provided no one turns your key.
From there it does two kinds of harm. What remains when the water goes is urea, which turns into crystals: they lodge in narrow passages and block filters. On top of that, it attacks certain metals in the fuel system, and keeps going till it's flushed out. A motor left sitting around Dedham with AdBlue already in its lines is worse by the morning; one with AdBlue just in its tank is not. Diesel protects the injection pump and every injector as it flows; water gives none of that, and that is a separate form of damage.
AdBlue in a diesel: why it's regularly worse than petrol
Top up a diesel with petrol by mistake over at the Shell, and this issue is thinned fuel. It mixes with your diesel, and while it is in the tank it causes no damage; the harm comes from running the motor on it.
The issue with AdBlue in a diesel is a totally unsuitable liquid. Not burning, it cannot just be run through. Crystals and corrosion remain through the next tankful, and AdBlue separates again out of your diesel, and so watering it can't help. That is why the flush matters more, and trying your engine "to see" costs more here than almost any other mistake — in Parney Heath or the heart of Dedham equally.
As with petrol, there's good news. Anywhere across Essex your vehicle has stopped, an unstarted motor means the AdBlue yet in the reservoir: the easiest bit of a fuel system to empty.
How AdBlue ends up in a diesel tank in Dedham
It is not on purpose. Many cars keep the AdBlue cap alongside the diesel one, occasionally behind a single flap, and mixing them up is easy after dark. A container bought while heading home and poured in at home, rather than at the forecourt, is the usual route.
A couple of familiar ways account for most cases. Halfway through the morning drop-off, the dashboard flags it up, and outside Dedham Church of England Voluntary Controlled Primary School the refill is rushed. Someone pours the container in outside their house, right off Mill Lane, as the day ends. Or the vehicle is topped up in the car park outside The Marlborough Dedham, in poor light, by somebody who has never opened that flap before.
Hired cars, brand-new motors, company cars, or the second vehicle in a home with both fuels: the least known cars see it the most. Wherever you're in Dedham or the remainder of Essex, it's the same slip and the same first answer: leave the car off.
AdBlue in your diesel tank around Dedham, and the engine started?
Then the AdBlue has left your tank. The fuel filter and pipework have had it sucked through, and any running time carries it on to the high-pressure pump and each injector.
You may notice the engine running unevenly, smoking, losing power, showing warning lights or cutting out, possibly on the way back from RSPB Flatford Wildlife Garden or halfway across Dedham. 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.
Exit the M11, under 50 miles from Dedham, by the first junction and stop somewhere safe, rather than carrying on.
Mileage counts: each mile pushes the AdBlue further into the system, and so heading for Colchester, under 10 miles away, makes a much bigger job than crossing Dedham to the car park by Dedham War Memorial. About how far it had come is worth telling us.
Wherever the vehicle came to a stop is where all of it gets done, even with more to rinse out after the motor has been running. Noticed soon, it very rarely leaves permanent damage.
Dedham: how AdBlue is cleared from a diesel
Anywhere it has come to rest in Dedham — a filling station, a lay-by, a drive, a road beside St Mary the Virgin, Dedham — our van travels to the car. Which fluid went in, roughly how much, and if your motor has turned over: we ask before all else, because those decide the work.
Right there, that tank is then emptied, and all of the polluted diesel and the urea leave at once. Your system is cleaned thoroughly, which matters more with AdBlue than with petrol, since what it leaves behind doesn't rinse out on its own. The fuel filter is cleaned, or replaced where it needs to be; clean diesel goes in; and the car is tested. Most of these jobs are a half-hour job once our technicians arrive, provided your motor hasn't run. Explosion-proof pumps mean a live forecourt sensible to work on, and they're quiet enough not to disturb the neighbours at night.
The final step is to prime the system on fresh diesel. Whether it's a parking bay outside Manningtree or a drive around Dedham, that is where our technicians fire it up and you head off. The test before our technicians leave is that it runs smoothly on clean diesel. No workshop is needed at any point, with the whole job done then and there. Insurers want a VAT invoice and an engineer report, and both come at the end.
About Dedham and where it is
Dedham is a village situated on the banks of the River Stour in Essex, with Dedham being a popular destination for those seeking a tranquil riverside setting. Dedham has a low elevation of around 10 metres above sea level and is located near the nearby towns of Stratford St Mary and East Bergholt. Dedham remains a small, predominantly residential community with a mix of housing types, including semi-detached homes. Dedham is also within commuting distance of Colchester and around 57 miles from London.
AdBlue drains around Dedham and across Essex
Stratford St Mary, Dedham Heath and East Bergholt are among the places near Dedham that the same vans serve, together with much of Essex further out, throughout the CO postcode area. If you're near a border, or somewhere hard to describe, ring and ask instead of assuming.
Dedham is a village, and a mobile 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 sits, so it never needs to be shifted to us.
What AdBlue in a diesel tank costs to put right around Dedham
Since the jobs differ, a single figure would not be fair. Three things shift the price: whether your engine has run and for how long, how much AdBlue got in, and where the car is. That last one rests on whether a technician can reach it safely, and an open driveway is simpler than a tight gap behind Dedham Art and Craft Centre.
That's why each call from Dedham starts with the same three queries, asked before giving a figure, not after: what went in, how much, and if it's run. The answers turn a range into a straight quote.
The price is quoted during the call, before a van leaves; payment happens on the day, by card or over the phone, with nothing upfront. Plenty of insurance policies include misfuelling cover, and so it's worth checking yours while we are on the way.
In Dedham and still alongside your car?
Then the most handy thing you can do is nothing to the vehicle. Keys out; motor and ignition off. Petrol in Diesel takes over the rest, in Dedham or anywhere within Essex, after you ring 0333 366 0103 to say it was AdBlue, roughly what quantity, and whether it ran.