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Petrol in Diesel

0333 366 0103

AdBlue in the Diesel Tank in Llanyrafon? Keep It Switched Off

Engine off, ignition off: that is how you start if AdBlue has got into your diesel tank. In plain terms, AdBlue is just urea in water. As it is water-based, it won't burn and won't blend with diesel; damage just comes once your pump starts pulling it. Caught before the engine has run, AdBlue in a diesel tank is normally a drain and a thorough flush, done where your car is in Llanyrafon. First, phone us on 0333 366 0103.

Call 0333 366 0103

Llanyrafon, AdBlue in your diesel tank: what to do right away

To do:

  • So nobody can turn the ignition on, pull your keys out.
  • Hazards on, if moving traffic is at all close.
  • Which product, and about how much quantity? Save the bottle or the receipt, and our technicians will see.
  • Our van locates you quickest with a postcode starting NP44 8, or simply the name of a street close by, and so call from the car.

Things not to do:

  • Not even for a second, and not to shift your car: your engine stays off.
  • Switching your key to ignition alone sets your pump running on many diesels. Skip it.
  • No extra fuel added. The AdBlue will not mix, and so it is wasted.
  • Keep it where it is rather than driving it anywhere, even a short stretch along Liswerry Drive.
  • No emptying it yourself, either, on the verge.

At a forecourt in Llanyrafon, whether it's the Morrisons or another one, ask the attendants to help you push the car away from the pump. On your own driveway, do not move it at all.

AdBlue in a diesel tank, and what it does there

Meant for the exhaust, AdBlue has no business in the motor. It goes into its own tank and is sprayed into the exhaust gas to clean it. No part inside a fuel pump is designed for this liquid — and no part of it was intended to travel through one.

Inside a diesel tank it acts very differently from fuel. It doesn't mix in. It is heavier than diesel, so it sinks and collects at the bottom of the tank, which is where the pickup sucks fuel from. Simplest of all: a vehicle that got AdBlue in Cwmbran overnight and has not turned since. The AdBlue sits at the base of the tank, undrawn — but it will be first through once your motor runs, ahead of any diesel at all.

After it is pulled in, the damage takes two forms. Crystals and corrosion. As the water dries, it leaves urea that hardens in filters and narrow channels; and, since it attacks certain metals, each part it touches suffers for as long as it stays inside. Lines carrying AdBlue mean harm overnight for a car parked in Llanyrafon. Only inside your tank, it stays stable. And there is the water: it offers no protection to the parts that rely on it the most — the high-pressure pump and each injector.

Draining AdBlue from a diesel tank in Llanyrafon

Petrol or AdBlue in a diesel: why AdBlue is regularly worse

Top up a diesel with petrol by mistake over at the Shell, and the issue is diluted fuel. Harm only comes from driving on it. Mixed into your diesel and sitting inside that tank, it does none.

AdBlue in a diesel is a problem of the wrong substance altogether. Not burning, it can't just be run through. It doesn't stay mixed, and so it cannot be thinned. And crystals and corrosion don't wash out with the next tank of fuel. That is why the flush counts more with AdBlue than with petrol, and why starting the engine "to see" costs more here than nearly anywhere else, whether the vehicle is in Croesyceiliog or the middle of Llanyrafon.

As with petrol, there is good news. Wherever around Torfaen your car has stopped, an unrun motor leaves the AdBlue yet inside the tank: the simplest bit of any fuel system to empty.

Llanyrafon: how AdBlue ends up in a diesel tank

In dim light, two caps together — the AdBlue cap and the diesel cap, occasionally under one flap — may look the same. Nobody intends it; plenty of designs allow it. Mostly it happens with a bottle bought on the way home and poured in on the drive, not at the pump.

It tends to happen in a couple of familiar ways. Halfway through the morning drop-off, the dashboard flags it up, and outside the local primary school the refill is rushed. Near St. Brides Close, someone tips a container in on the drive in the evening. Or the vehicle is topped up in the car park at The Crows Nest, in poor light, by someone who has never opened that flap before.

Rented vehicles, new cars, fleet motors, or the spare car in a family with one of each: the least known cars get it most. Leave it off: that is the first step to the same slip, wherever around Llanyrafon or the remainder of Torfaen you are.

Already started the motor with AdBlue in the diesel tank around Llanyrafon?

Then the AdBlue has left that tank. Through the fuel filter, along the lines, and — with any running — on to the high-pressure pump and every injector: that's how far it has gone.

You may see your motor running unevenly, smoking, losing power, showing warning lights or cutting out, maybe on the way back from Llanyrafon Manor Rural Heritage Centre or halfway across Llanyrafon. Pull over when it is safe. Turn off. Keep the vehicle off rather than testing it again. More of that is pulled through with each start.

On the M4, under 5 miles from Llanyrafon, the first junction is where to exit, and anywhere sensible is where to park — not driving on.

Mileage matters: each mile pushes the AdBlue deeper in, so driving towards Newport, under 5 miles away, gives a far bigger job than crossing Llanyrafon to the car park by Llanyravon Shopping Centre. Roughly how far had it come? Tell us.

Our technicians do all of the flushing where the car has stopped, and once the engine has been run there is more of it. Very seldom does it leave long-term damage if it is noticed early.

Llanyrafon: how AdBlue is cleared from a diesel

A road beside Llanyrafon Manor, a drive, a lay-by or a filling station: wherever the vehicle has stopped in Llanyrafon, our technicians travel to it. The work rests on three replies, which we ask for first — which fluid got in, the amount, and whether the engine has turned over.

Next, draining your tank right there removes the contaminated diesel and the AdBlue in one go. What remains from AdBlue will not wash out unaided, and so the fuel system gets a full flush, which matters much more here than for petrol. Your filter is flushed, or replaced where it needs to be; clean diesel goes in; and the vehicle is tested. Roughly half an hour on site is usual for most jobs when the engine has not run. Our equipment is explosion-proof, so a live filling station is no issue, and it is quiet enough for a residential street late at night.

The final step is to bleed the system on fresh diesel. You set off as soon as our technicians have started the engine, and it makes no difference whether the car is on a drive in Llanyrafon or in a space by Cwmbran. It's checked on new diesel to be sure it runs properly before our engineers leave. Our engineers do it all wherever your car has stopped, and it never has to be taken to a workshop. At the end, there is paperwork for your insurer: a VAT invoice plus a report from the engineer.

About Llanyrafon itself

Llanyrafon is a suburban area in Torfaen, situated on the riverside at a relatively low elevation of around 50 metres. Llanyrafon lies close to the city of Newport, which is approximately 4 miles away, and is near other local places such as Oakfield and Southville. Llanyrafon has a mix of housing types, but is predominantly characterised by terraced homes. Llanyrafon is part of the wider Newport urban area, with London around 124 miles to the east.

AdBlue drains across Torfaen, Llanyrafon included

AdBlue jobs around Llanyrafon go to vans that cover the places near it — Oakfield, Southville as well as Old Cwmbran — and much of Torfaen beyond, throughout NP postcodes. Phone and ask rather than guess if you are by a border, or anywhere awkward to explain.

Wherever the vehicle sits — a drive at home, a residential street, a car park, a forecourt — our engineers empty it there, and there's no need to take it to us; that suits Llanyrafon, a residential suburb, well.

Llanyrafon: what AdBlue in a diesel tank costs to fix

There's no fair single price, because the jobs are not the same. Three things move the cost: whether the engine has run and for how long, how much AdBlue got in, and where the car is. That last one comes down to whether a van can reach it safely, and an open driveway is simpler than a tight spot behind Llanyrafon Methodist Church.

That's why each call from Llanyrafon starts with the same three queries, asked before giving a figure, not after: what was put in, how much, and whether it has run. Once those are known, a range becomes a single fixed figure.

You get that quote by phone, before anybody sets off, and you pay on the day, by card or by phone, with nothing upfront. Misfuelling cover is part of plenty of insurance policies, so it pays to look at yours before the van arrives.

Still alongside your car around Llanyrafon?

Leaving your vehicle alone is, then, the best thing you can do. Ignition off, motor off, keys out. Call 0333 366 0103 then tell us it is AdBlue, roughly how much, and whether it's run. Petrol in Diesel takes it from there, around Llanyrafon or anywhere across Torfaen.

Call 0333 366 0103