New Greens: AdBlue in the Diesel Tank? Leave It Off
AdBlue in your diesel tank? Then keep the engine off — and the ignition as well. Urea mixed in water is what AdBlue is. Unlike fuel, it neither ignites nor blends, and nothing starts till your motor sucks it round. A drain and a thorough flush, done where your car is around New Greens, is generally all AdBlue in a diesel tank needs — if it's caught before your engine has been run. No step comes before calling 0333 366 0103.
Your next steps right now, New Greens: AdBlue in the diesel tank
To do:
- Remove your keys, which prevents someone turning the power on.
- Put your hazards on if you are at all near moving traffic.
- Keep your receipt or the empty bottle, so you can tell us what went in and about how much.
- The van locates you quickest with a postcode starting AL3 6, or simply the name of a street close by, and so phone from the spot.
Things not to do:
- Moving your car just a few yards is no reason to fire up your motor.
- Turning your key to ignition alone starts your pump going on many diesels. Skip it.
- AdBlue does not mix in diesel — it separates out — so adding extra fuel won't weaken it.
- Any driving at all is to be avoided, even a short stretch up Francis Avenue.
- Don't try to drain the car yourself by the kerbside.
On a forecourt around New Greens, whether it's the Texaco or another one, ask the attendants to help you push the car away from the petrol pump. Parked on your own driveway? Then it stays just where it is.
What does AdBlue do in a diesel tank?
The motor isn't what AdBlue is made for; your exhaust is. From a separate reservoir it goes straight to the exhaust, cleaning what your motor emits. Nothing inside a fuel pump is designed for this liquid — and no part of that was meant to travel that way.
Poured in with your diesel, it stays separate instead of blending — entirely different from fuel. It sinks, since it's heavier than diesel, and settles down where the intake takes its supply from. The first thing the fuel system pulls through, once it runs, is the AdBlue. So a vehicle that had AdBlue poured in on a drive in Childwick Green last night, and hasn't been started since, is still the simple case: the AdBlue is lying at the bottom of the tank, and nothing has pulled it in.
Once it's drawn in, the damage takes two forms. What remains when the water evaporates is urea, which turns into crystals: they settle in narrow channels and block filters. Worse, it attacks certain metals in a fuel system, and carries on till it's cleared out. Lines carrying AdBlue mean harm by morning for a vehicle sitting around New Greens. Just in the tank, it stays stable. Diesel lubricates the injection pump and each injector as it flows; water offers no lubrication, which is a separate kind of damage.
AdBlue in a diesel: why it's frequently worse than petrol
Petrol put into a diesel on Shell's forecourt leaves your fuel thin — that's the main issue. It mixes with your diesel, and while it's inside that tank it does no harm; the harm comes from running your motor on it.
The issue with AdBlue in a diesel is a totally unsuitable substance. Not burning, it cannot just be run through. Crystals and corrosion remain after the next fill, and AdBlue separates again out of your diesel, and so thinning it won't work. That is why the flush counts more, and turning the key "to see" costs more with AdBlue than nearly any other slip — in Childwick Bury or the heart of New Greens equally.
With AdBlue, the good news is no different from petrol. Never started? Then the AdBlue waits only in your tank, the easiest bit of the whole system to empty, anywhere your car has stopped in Hertfordshire.
How does AdBlue end up in a diesel tank in New Greens?
No one means to do it. The AdBlue filler on many motors waits right next to the diesel filler, at times under the same flap, and the two caps can look alike in poor light. It mostly happens at home, from a bottle grabbed on the journey home, not at the filling station.
The ways it takes place are few and familiar. A warning light comes on during the school run, and the top-up happens in a hurry outside Garden Fields Junior Mixed and Infant School. Close to Therfield Road, someone tips a container in at home after work. Or the vehicle is topped up in the car park at Jolly Sailor, in poor light, by somebody who has never opened that flap before.
The least known cars get it most — rentals, brand-new cars, company ones, and the other motor in a family with both fuel types. Leave it off: that's the first step to the same mistake, anywhere around New Greens or the rest of Hertfordshire you happen to be.
Already started the motor with AdBlue in your diesel tank around New Greens?
If so, the AdBlue is no longer in your tank. The filter and pipework have had it pulled along, and any running time takes it on to the high-pressure pump and each injector.
Watch for lumpy running, exhaust smoke, lost power, lights on your dash, or a cut-out — returning from Toulmin Drive field, say, or midway across New Greens. When safe, stop and switch everything off — with no turning it on again to test. Every start pulls more of it through.
If you were on the M1, under 5 miles from New Greens, come off at the next exit and stop somewhere sensible rather than pressing on.
Every mile pushes the AdBlue further into the system. That's why crossing New Greens to park near Christ Church and a drive of under 3 miles for St Albans are such distinct jobs. Let us know about how far it had come.
Once the motor has run, the flush includes more, and all of it is done where your car has stopped. Permanent damage is very uncommon when it's spotted quickly.
New Greens: how AdBlue is cleared from a diesel
The vehicle remains put, whether that's a road near New Greens Hall, a drive, a lay-by or a forecourt around New Greens, and the van comes to it. The work depends on three answers, which we ask for first — what was put in, the quantity, and whether the motor has run.
The polluted diesel and the urea leave as one after that tank is emptied, right there. The system is rinsed thoroughly, which matters more with AdBlue than with petrol, because 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. Roughly half an hour on site is usual for most jobs where the engine hasn't run. Low-noise enough for use outside a house at night, and fine on a working forecourt, our pumps are explosion-proof.
Last, your system is primed with new diesel. Whether it's a parking bay at St Albans or a drive around New Greens, that is where our engineers start the engine and you head off. The test before our engineers go is that it runs smoothly on fresh diesel. As the job is done in full where the vehicle is, a workshop never comes into it. Insurers ask for a VAT invoice and an engineer report, and both come at the end.
About New Greens, briefly
New Greens is a suburban area located near St Albans in Hertfordshire, sitting at an elevation of around 110 metres in the inland landscape of the Eastern region. New Greens is characterized by its predominantly semi-detached housing stock and is situated close to nearby places such as Townsend and Bernards Heath. New Greens is also within commuting distance of London, being approximately 20 miles from the city centre.
AdBlue drains across New Greens and Hertfordshire
AdBlue call-outs in New Greens are passed to vans that serve the towns around it — Townsend, Bernards Heath plus St Albans — and much of Hertfordshire further out, across AL postcodes. Phone and check rather than guess if you are close to a border, or somewhere tricky to explain.
New Greens is a residential suburb, and a mobile drain suits it: whether the vehicle is on a home drive, a residential street, a car park or a forecourt, we drain it where it is, and so it never needs to be moved to us.
AdBlue in a diesel tank in New Greens: the cost of fixing it
There is no honest single price, because the jobs are not the same. Whether the engine has been running, and for how long, comes first in what moves the price. How much AdBlue went in comes next, and then the position of the car, because an open drive is easier for a van to reach safely than a tight gap behind Beech Bottom Dyke.
That is why each call from New Greens starts with the same three queries, asked before giving a figure, not after: what was put in, how much, and if it has run. Given those replies, the range narrows to one firm number.
The price is quoted during the call, before a van leaves; payment happens on the day, by card or by phone, and nothing upfront. Check your insurance whilst we are on the way: many carry misfuelling cover.
Still beside the vehicle around New Greens?
Not touching your car is, right now, the best move you can do. Keys out, motor off, ignition off. Say it was AdBlue, roughly how big an amount, and whether the engine ran, on 0333 366 0103. From there Petrol in Diesel handles it, in New Greens or wherever within Hertfordshire.