Don't Start It: AdBlue in a Diesel Tank in Littlebury
With AdBlue in your diesel tank, the ignition remains off and so does the engine. Urea dissolved in water is all AdBlue is. It does not burn, it does not mix with diesel, and the harm it does begins when your fuel system pulls it in. Caught before your engine has been run, AdBlue in a diesel tank is normally a drain and a thorough flush, done where your car is around Littlebury. Ring 0333 366 0103 before you do anything else.
Littlebury, AdBlue in your diesel tank: what to do at once
To do:
- Pull your keys out, so no one switches your ignition on.
- Put the hazard lights on if you are anywhere close to moving traffic.
- The empty bottle or the receipt shows us the fluid and the quantity, so do not bin it out.
- Ring us from where you are. A postcode starting CB11 4, or the name of the nearest street, brings the van to you without a search.
Not to do:
- Shifting your vehicle even a short way is no reason to start the motor.
- The ignition remains off: on many diesels, switching it on is enough to run your fuel pump.
- Pouring in more diesel doesn't work: AdBlue separates out instead of blending.
- Any driving at all is best avoided, including a short stretch down Kents Yard.
- Emptying the tank on your own beside the road is not worth trying.
Get the people behind the counter to help you move the vehicle away from the island if you're on a forecourt around Littlebury, whether it is the Tesco or elsewhere. Parked on your own drive? Then it stays just as it is.
What does AdBlue do in a diesel tank?
Meant for the exhaust, AdBlue has no place in the engine. From a dedicated reservoir it goes directly to your exhaust, cleaning what your motor lets out. Nothing in it is supposed to pass through a fuel pump, and nothing in a fuel pump is built to handle it.
Inside a diesel tank it behaves really differently from fuel. It doesn't mix in. The intake sucks fuel from the deepest part of the tank, and that is exactly where AdBlue ends up: being denser than diesel, it sinks. When your pump runs, the AdBlue is top of the list to go through. Before then it waits underneath the diesel, which is why a vehicle topped up in Catmere End last night and not switched on remains the simple one, as long as no one turns the key.
It causes two kinds of harm from there. It attacks some metals used in fuel components, working on whatever it reaches till it's cleared completely. And once the water evaporates, the urea turns into crystals that block filters and settle in narrow passages. By daybreak, a car sitting around Littlebury with AdBlue through its pipework gets worse; if it's just inside your tank, nothing changes. The water in it does harm of its own: your high-pressure pump and your injectors rely on diesel to lubricate them, and water gives them nothing.
AdBlue in a diesel: why it is frequently worse than petrol
Petrol pumped into a diesel on Gulf's forecourt makes your fuel thin — that's the main issue. Mixed into your diesel and left unused, it's harmless for now; using the motor does the damage.
The trouble with AdBlue in a diesel is a completely wrong liquid. It can't simply be run through, since it doesn't burn. Nor can it be watered down, since it separates back out — and the next fill won't clear away crystals or corrosion. So the flush matters for more here, and turning the key "to see", in the centre of Littlebury or out in Saffron Walden, costs more than nearly any other error.
The same good news applies as with petrol. If your engine hasn't run, the AdBlue is still inside your tank, and the tank is the quickest part of a fuel system to clear, wherever across Essex the car is standing.
Littlebury: how AdBlue ends up in a diesel tank
After dark, two caps together — the AdBlue cap and the diesel one, now and then behind a single flap — can appear the same. No one intends it; many designs allow it. Mostly it takes place with a bottle bought on the way home and poured in on the drive, not at the forecourt.
A few familiar ways account for the majority of them. A warning light comes on during the school run, and the top-up occurs in a hurry outside St Mary's Church of England Voluntary Aided Primary School. In the evening, a container is tipped in on a driveway close to Strethall Road. Another pattern: dim light, a pub car park by Queen's Head, and a driver opening that flap the first time.
Rented vehicles, brand-new cars, fleet motors, or the second car in a home with both fuels: the least known vehicles see it the most. Leave it off: that is the first response to the same mistake, wherever in Littlebury or the remainder of Essex you are.
Started the engine with AdBlue in the diesel tank around Littlebury?
Then that tank is no longer where the AdBlue is. The filter and pipework have had it pulled along, and any running carries it on to the high-pressure pump and every injector.
Rough running, smoke from the exhaust, lost power, dashboard warnings or cutting out: any may appear, perhaps midway across Littlebury or coming back from Littlebury Recreation Ground. Stop as soon as it is safe, switch off, and don't restart the vehicle to check. With each start, more of it is pulled through.
If you were on the M11, under a mile from Littlebury, come off at the next junction and stop somewhere safe rather than pressing on.
Every mile carries the AdBlue further into the system. That's why crossing Littlebury to park beside Holy Trinity, Littlebury and a drive of under 15 miles for Cambridge are such different jobs. Let us know roughly how far it had come.
Once the motor has run, the flush includes more, and all of it is done where the car has stopped. Caught early, it very seldom leaves long-term damage.
Draining AdBlue in a diesel in Littlebury: what it takes
Our technicians come to the car, wherever it has stopped around Littlebury: a side street near Littlebury Village Hall, a drive, a lay-by or a forecourt. What got in, roughly how much, plus whether your motor has been run: our engineers ask first, because those decide the job.
Next, draining your tank on the spot removes the polluted diesel along with the AdBlue in one go. With AdBlue, far more than with petrol, the flush counts: the fuel system is flushed right through since residue will not wash out by itself. Clean diesel goes in once your filter is cleaned — or replaced, when it needs to be — and after that your vehicle is tested. Most of these jobs are a half-hour job once our engineers turn up, provided the engine hasn't run. The equipment is explosion-proof, and so a live forecourt is no fault, and it is quiet enough for a residential street late at night.
Clean diesel goes in to bleed the fuel system, and that is the last step. Whether it's a parking space by Great Chesterford or a driveway around Littlebury, that is where our engineers fire it up and you head off. The check before our engineers go is that it runs correctly on clean diesel. We do it all wherever your car has ended up, and it never needs to be taken to a garage. The insurer will want an engineer's report and the VAT invoice — both yours afterwards.
About Littlebury itself
Littlebury is a village situated on the River Cam in Essex, with a mix of old and new buildings, including many detached homes. Littlebury lies near the border with Cambridgeshire, close to the city of Cambridge and the historic estate of Audley End. Littlebury has a population of around 605 people and is located at an elevation of 54 metres, giving it a relatively low-lying position in the landscape. Littlebury is also within commuting distance of London, being approximately 39 miles from the capital.
AdBlue drains across Littlebury and Essex
Throughout the CB postcode area, the vans taking AdBlue jobs in Littlebury serve much of Essex as well, Northend, Audley End and Little Chesterford among them. Near a boundary, or somewhere awkward to pin down? Checking beats assuming, and so ring.
A mobile service suits Littlebury, a village: there's no need to take your car to us, because we drain it on the spot, in a driveway, a residential street, a car park or a filling station.
AdBlue in a diesel tank in Littlebury: the cost of fixing it
There's no honest single price, because the jobs aren't the same. Three things move the price: whether the engine has been running and for how long, how much AdBlue got in, and where the vehicle is. That last one rests on whether a van can reach it safely, and an open driveway is simpler than a tight spot behind Springwood column.
That's why every call from Littlebury starts with the same three queries, asked before giving a figure, not after: what was put in, how much, and if it has run. The answers turn a range into a straight quote.
Quoted by phone before the van sets out, the job is paid for on the day — card or phone, nothing in advance. Plenty of insurance policies include misfuelling cover, and so it is worth checking yours whilst we are on the way.
Alongside your car in Littlebury, right now?
Right now, the best thing to do with the vehicle is to not touch it. Keys out; engine and ignition off. Phone 0333 366 0103 and tell us it's AdBlue, roughly how much, and whether it's run. Petrol in Diesel takes it from there, around Littlebury or anywhere around Essex.