Don't Start It: AdBlue in a Diesel Tank in Golders Green
AdBlue in the diesel tank? Then leave your motor off — and your ignition too. In plain terms, AdBlue is simply urea in water. It does not burn, it does not mix with diesel, and the harm it does starts when your fuel system pulls it in. In Golders Green, AdBlue in a diesel tank found before your engine runs normally means a drain and a thorough flush, just where the car is. No step comes before calling 0333 366 0103.
Golders Green, AdBlue in your diesel tank: what to do at once
Do these:
- So no one can switch the ignition on, take your keys out.
- Hazards on, if moving traffic is anywhere near.
- So you can tell us which liquid it was and roughly what quantity, keep the receipt or the empty bottle.
- The van finds you quickest with a postcode starting NW11 7, or just the name of a street nearby, and so phone from the car.
Never:
- No starting the engine — not for a second, not to reposition your vehicle.
- The ignition remains off: on lots of diesels, turning it on is enough to run your fuel pump.
- Do not top up with diesel to thin it. AdBlue doesn't dilute in diesel; it separates out.
- Any driving at all is best avoided, even a short way down Temple Grove.
- Draining the tank on your own beside the road isn't worth trying.
The attendants on duty at any Golders Green forecourt — the Esso among them — will normally help rolling it aside if you ask. At home, the vehicle remains exactly where it is.
What does AdBlue do in a diesel tank?
AdBlue is made for your exhaust, not your engine. Its own reservoir holds it, and from there it is fed into the exhaust, where it treats the fumes. A fuel pump is not made to take it, and AdBlue was never intended to go through one.
Fuel mixes; AdBlue, after tipped in, won't. Its behaviour is nothing like fuel's. It's heavier than diesel, and so it sinks and gathers at the bottom of the tank, which is where the pickup draws fuel from. When the system runs, the AdBlue is first to go through. Until then it waits underneath the diesel, which is why a vehicle topped up in Hampstead Heath yesterday and never started remains the simple one, as long as no one turns your key.
After it's drawn in, the harm comes in two forms. Crystals and corrosion. As the water evaporates, it strands urea that crystallises in filter elements and tiny channels; and, because it eats at some metals, every part it touches keeps suffering for as long as it stays in there. A vehicle left sitting in Golders Green with AdBlue already in its lines is worse by the morning; one with AdBlue just in its tank is not. Diesel lubricates the high-pressure pump and each injector as it passes; water gives none of that, which is a separate kind of harm.
AdBlue in a diesel: why it is frequently worse than petrol
Petrol put into a diesel on Tesco's forecourt leaves your fuel thin — that is the main problem. It mixes with the diesel, and while it's inside that tank it does no damage; the damage comes from running the engine on it.
AdBlue in a diesel is a different matter: not thin fuel, but no fuel at all. Since it does not burn, running it through isn't an option. Whether the vehicle is in Brent Cross or the heart of Golders Green, turning it over "to see" does more harm with AdBlue than almost any other slip, and the flush matters for more. The reasons: it won't stay blended, so diluting it fails; and deposits and corrosion survive the next tankful.
The same good news holds as with petrol. Never run? Then the AdBlue waits just in your tank, the easiest bit of the whole system to clear, wherever the car has stopped in Greater London.
Golders Green: how AdBlue ends up in a diesel tank
In dim light, two caps together — the AdBlue cap and the diesel one, now and then behind a single flap — can appear the same. Nobody means it; plenty of designs allow it. Mostly it is never the forecourt: a driver picks up a bottle driving home and pours it in outside the house.
It tends to occur in a few familiar ways. The top-up is hurried outside Garden Suburb Junior School, because the dash flashed with a warning as the children were dropped in. After work, a bottle is tipped in on a drive near Farm Walk. Or the car is topped up in the car park at The Refectory, in poor light, by someone who has never opened that flap before.
It comes up the most in a rental, a brand-new motor, a fleet car, or the other car of a family with one of each fuels — the vehicles drivers use the least. Wherever in Greater London, Golders Green included, the slip doesn't change, and nor does the first step: keep it off.
Golders Green: started the motor with AdBlue in the diesel tank?
In that case, the AdBlue is no longer inside your tank. Your filter and lines have had it sucked through, and some running takes it on to the injection pump and each injector.
You may notice your engine running roughly, smoking, losing power, showing warning lights or cutting out, possibly on the way back from Willifield Way Open Space or halfway across Golders Green. No restarting to test: pull over once safe, then switch it off. With each start, more of that is pulled through.
Golders Green sits under 3 miles from the M1; if you were on it, exit by the next junction and stop somewhere safe instead of carrying on.
A quick hop across Golders Green to the car park by Farm Walk Lawn Tennis Club is one matter; driving towards Westminster, under 10 miles away, is another, since every mile carries the AdBlue deeper in. So distance counts. Tell us roughly how far it had come.
There is more to clean out once the engine has been run, and our technicians do all of it where your car has stopped. Noticed early, it very rarely leaves lasting damage.
What clearing AdBlue from a diesel involves in Golders Green
Wherever it has stopped in Golders Green — a filling station, a layby, a drive, a street by Hampstead Garden Suburb Free Church — the van travels to your vehicle. The job depends on three answers, which we get first — what was put in, the amount, and if the motor has turned over.
Right there, the tank is then emptied, and all of the contaminated diesel and the urea come out as one. Residue from AdBlue won't flush out by itself, so the fuel system gets a full flush, which matters much more here than with petrol. Clean diesel goes in after your filter is cleaned — or replaced, when it needs to be — and then the vehicle is tested. Roughly half an hour once we arrive is usual for most jobs where your engine hasn't run. The pumps are explosion-proof, fine on a busy forecourt and quiet enough to use outside a house after dark.
The final step is to prime your system on fresh diesel. After that our engineers fire it up and you drive off, whether from a parking bay at Brent Cross West or a driveway in Golders Green. We make sure it runs correctly on new diesel before we go. No garage is needed at any point, with the whole job done then and there. At the end, there is paperwork for the insurer: a VAT invoice and a written report from the engineer.
About Golders Green, for a moment
Golders Green is a suburban area in northwest London, situated near the Middlesex border and the River Brent. Golders Green sits at an elevation of 72 metres, with a mix of semi-detached housing and other residential buildings. Golders Green is close to several other neighbourhoods, including Temple Fortune and Hampstead Garden Suburb. Golders Green has a population of around 10,238 people, living in a variety of housing types, predominantly semi-detached homes.
AdBlue drains in Golders Green and across Greater London
Temple Fortune, Hampstead Garden Suburb and North End are among the places around Golders Green that the same vans reach, along with much of Greater London further out, throughout the NW postcode area. If you're near a border, or somewhere hard to describe, ring and ask rather than guessing.
No towing is needed. In Golders Green, a residential suburb, a van that comes to you works: your car is emptied on the spot, whether on a driveway, a residential street, a car park or a forecourt.
Golders Green: what AdBlue in a diesel tank costs to fix
Each job is different, so no fixed price would be honest. The price moves first with how long, if at all, the motor has been running, and next with the amount of AdBlue that went in. After that it rests on where the car is and whether our van can reach it safely, which is easier on an open driveway than in a tight spot behind The Bridge Christian Fellowship.
What was put in, how much, and if it ran: every Golders Green enquiry begins with exactly that, before a figure, never after. Those answers shrink a range down to a single figure.
Priced by phone before the van sets out, it is paid for on the day — card or phone, nothing in advance. Misfuelling cover comes with many insurance policies, so it pays to look at yours before the van gets there.
In Golders Green and still alongside the vehicle?
Not touching the car is, then, the most useful thing you can do. Ignition off, motor off, keys out. Ring 0333 366 0103: AdBlue, roughly how much, and whether it ran are all our engineers ask. Petrol in Diesel handles the remainder throughout Greater London, Golders Green included.