AdBlue in a Diesel Tank in Talgarth? Don't Start It
Engine off, ignition off: that's where you begin if AdBlue has gone into the diesel tank. Water with urea mixed in it: that's AdBlue. As it is water-based, it will not ignite and won't blend with diesel; trouble only starts when the pump begins drawing it. If the motor hasn't run yet, AdBlue in a diesel tank is normally emptied and carefully flushed where your car stands around Talgarth. Ring 0333 366 0103 before you do anything else.
AdBlue in your diesel tank around Talgarth: the first few minutes
Do:
- So no one can switch your ignition on, pull your keys away.
- Put the hazard lights on if you're at all near moving traffic.
- Which fluid, and roughly how much quantity? Hang on to the bottle or your receipt, and our engineers can see.
- The van locates you quickest with a postcode starting LD3 0, or simply the name of a street close by, and so call from the car.
Things not to do:
- Moving your vehicle even a short way is no reason to fire up the engine.
- Your ignition stays off: on many diesels, turning it on is enough to run your pump.
- AdBlue doesn't dilute in diesel — it separates out — so adding more diesel won't thin it.
- Any driving at all is to be avoided, even a short way up High Street.
- No emptying it yourself, at all, on the roadside.
On a forecourt around Talgarth, whether it's the Oil4Wales or another one, ask the attendants to help you roll the car clear of the petrol pump. If you are on your own drive, leave it exactly where it sits.
What does AdBlue do in a diesel tank?
Not the motor but your exhaust is where AdBlue is meant to go. Stored in a dedicated tank, it's squirted into the exhaust stream to treat the gases. No part in an injection pump is designed for this liquid — and none of it was intended to travel through one.
Inside a diesel tank it behaves very differently from fuel. It doesn't mix in. It sinks, because it's heavier than diesel, and settles down where the intake draws its fuel from. The first thing your fuel system pulls through, after it runs, is the AdBlue. So a car that had AdBlue poured in on a drive in Coldbrook last night, and hasn't been started since, is still the simple case: the AdBlue is lying at the bottom of that tank, and nothing has pulled it in.
After it's pulled in, the harm takes two forms. As its water goes, the urea left behind crystallises, and the crystals block filters and settle in fine passages. And it's corrosive to some of the metals a fuel system is made from, so it keeps working on the parts it hits for as long as it stays there. A motor left standing around Talgarth with AdBlue already in its lines is worse by the morning; one with AdBlue just in its tank isn't. And there is the water: it brings no protection to the parts that need it most — the high-pressure pump and each injector.
Petrol or AdBlue in a diesel: why AdBlue is regularly worse
Petrol pumped into a diesel on Asda's forecourt leaves the fuel watery — that is the whole issue. Damage only comes from running on it. Mixed into your diesel and left inside the tank, it does nothing.
With AdBlue in a diesel, the fluid as such is simply the wrong one. Because it doesn't burn, running it through is not an option. Crystals and corrosion stay after the next tankful, and AdBlue separates again from your diesel, and so watering it can't help. Hence the flush matters so much, and turning the key "to see" costs more here than nearly any other slip — in Pont-y-wal or the heart of Talgarth equally.
With AdBlue, the good news is no separate from petrol. Wherever across Powys the car has stopped, an unrun motor leaves the AdBlue yet inside the reservoir: the easiest bit of a fuel system to clear.
Talgarth: how AdBlue ends up in a diesel tank
After dark, two caps together — the AdBlue cap and the diesel one, occasionally under one flap — can look the same. Nobody means it; many layouts invite it. A bottle bought while driving home and poured in outside the house, instead of at the forecourt, is the usual route.
Usually, it happens in one of a few familiar ways. The top-up gets hurried outside the local primary school, because the dash lit up with a warning while the children were taken in. In the evening, a container goes in on a driveway near Bell Street. Or your car is topped up in the car park outside Bridge End Inn, in poor light, by someone who has never opened that flap before.
It crops up the most in a hire car, a brand-new vehicle, a fleet motor, or the other car in a home with both fuel types — the cars people know the least. Anywhere across Powys, Talgarth included, the mistake does not change, and neither does the first step: leave it switched off.
AdBlue in the diesel tank around Talgarth, and the motor started?
If so, the AdBlue is no longer in the tank. Via the fuel filter, along the pipework, and — with any running — on to the injection pump and each injector: that is where it travels.
Lumpy running, smoke from the exhaust, lost power, dashboard lights or stalling: any may show up, perhaps part way across Talgarth or coming back from The Riverside Garden. No starting it again to test: pull over once safe, then turn it off. Each start pulls more of it through.
Leave the M4, under 50 miles from Talgarth, at the first junction and stop somewhere safe, rather than carrying on.
How far it went counts. A few hundred yards across Talgarth to the car park by War Memorial is a very different job from a run towards Hereford, under 25 miles away, with the AdBlue reaching further into the system with each mile. Tell us roughly how far it had come.
Once the engine has run, the flush covers more, and all of it is done where the car has ended up. Caught early, it very rarely leaves lasting damage.
What does an AdBlue drain on a diesel involve around Talgarth?
Wherever it has stopped in Talgarth — a filling station, a layby, a drive, a road beside Talgarth Mill — the van comes to your vehicle. The job depends on three answers, which our technicians ask for before all else — what was put in, the quantity, and whether the motor has run.
Next, draining your tank right there takes out the polluted diesel along with the AdBlue together. What remains from AdBlue will not wash away unaided, so the fuel system gets a full flush, which counts far more here than with petrol. Fresh diesel goes in after your filter is flushed — or replaced, when it needs to be — and after that your vehicle is tested. Engine not run? In that case expect roughly half an hour on site for most jobs. Quiet enough to use outside a house at night, and fine on a busy forecourt, our pumps are explosion-proof.
Fresh diesel goes in to prime the fuel system, and that's the final step. Whether it's a parking bay at the nearest station or a driveway around Talgarth, that is where we start the car and you drive off. Before leaving, we confirm it is running smoothly with new diesel in. Our engineers do it all wherever the car has ended up, and it never needs to be taken to a workshop. At the end, you are given paperwork for your insurer: a VAT invoice and a written report from the engineer.
About Talgarth and where it is
Talgarth is a small town in Powys, Wales, situated on the banks of the River Ennig at an elevation of around 125 metres. Talgarth lies near the towns of Bronllys and Tredustan, and is approximately 22 miles from Hereford. Talgarth has a population of around 1252 people, predominantly living in semi-detached housing. Talgarth is located in a rural area, with Trefecca nearby.
AdBlue drains across Talgarth and Powys
AdBlue jobs in Talgarth go to vans that serve the towns near it — Bronllys, Tredustan as well as Trefecca — and much of Powys further out, across LD postcodes. If you are near a boundary, or somewhere hard to describe, ring and ask rather than guessing.
A mobile service fits Talgarth, a riverside town: you have no need to take your vehicle to us, because our technicians drain it there, on a drive, a side street, a parking area or a forecourt.
What does AdBlue in a diesel tank cost to sort out around Talgarth?
Not one single price could be honest, because every job differs. The cost changes first with how long, if at all, the engine has been running, and next with the amount of AdBlue that was put in. After that it rests on where the car is and whether a technician can reach it safely, which is easier on an open drive than in a tight space behind Talgarth Community Hall.
Ahead of any figure, never after, each call from Talgarth begins with the same three questions: the liquid, the amount, and if the engine ran. With those replies, a range narrows to one firm number.
Before a van heads out, you hear our quote on the phone. And payment is on the day, card or by phone, with nothing upfront. Plenty of insurance policies include misfuelling cover, so it is worth checking yours while we're on the way.
Next to the car in Talgarth, still?
Not touching your car is, then, the best move open to you. Engine off, keys out, ignition off. Call 0333 366 0103: AdBlue, roughly how much, and whether it ran is all we need. Petrol in Diesel takes over the rest across Powys, Talgarth included.