AdBlue in the Diesel Tank in Blaengwynfi? Keep It Switched Off
AdBlue in your diesel tank? Then keep your engine off — and your ignition as well. AdBlue is urea mixed in water. Not like fuel, it neither ignites nor mixes, and no harm happens till the engine pulls it through. If your engine hasn't run yet, AdBlue in a diesel tank is generally drained and carefully cleaned where your car sits around Blaengwynfi. Nothing comes before ringing 0333 366 0103.
Blaengwynfi, AdBlue in the diesel tank: what to do right away
Do:
- Keys out — that way nobody can switch anything on.
- Hazards on, if moving traffic is at all close.
- Which fluid, and about what amount? Save the bottle or the till receipt, and our engineers can know.
- Our van locates you quickest with a postcode starting SA13 3, or simply the name of a street close by, so phone from the car.
Not to do:
- Do not start the engine, even for a moment to shift the car.
- Many diesels power their fuel pump the instant your ignition goes on, so keep the vehicle off.
- AdBlue does not dilute in diesel — it separates out — so adding more fuel won't thin it.
- Keep it where it is instead of driving it anywhere, even a short distance down Villiers Road.
- Emptying the tank on your own by the road is not one to try.
The staff on duty at any Blaengwynfi forecourt — the Oils for Wales included — will normally help rolling it clear if you ask. At your own drive, do not touch it at all.
AdBlue in a diesel tank: what it does
Meant for your exhaust, AdBlue has no business in your motor. It goes into its own tank and is sprayed into your exhaust gas to clean it. A fuel pump isn't designed to cope with it, and AdBlue was never intended to travel through one.
Fuel mixes; AdBlue, after tipped in, won't. Its behaviour is nothing like fuel's. Denser than diesel, it drops and pools underneath it — the same place the intake draws from. Once the system runs, the AdBlue is top of the list to be pulled through. Before then it waits beneath the diesel, which is how a vehicle topped up in Glyncorrwg yesterday and never switched on remains the straightforward case, as long as nobody touches your key.
Two kinds of harm come from there. What is left once the water evaporates is urea, which turns into crystals: they settle in tiny passages and clog filters. Worse, it attacks some metals in the fuel system, and carries on until it's flushed out. Lines carrying AdBlue mean harm overnight for a vehicle sitting around Blaengwynfi. Only inside the tank, it stays the same. The water in it causes harm of its own: the high-pressure pump and the injectors depend on diesel to lubricate them, and water gives them nothing.
Why is AdBlue in a diesel commonly the bigger issue?
Fill a diesel with petrol in error at the another forecourt nearby, and the problem is diluted fuel. It mixes with the diesel, and while it's in the tank it causes no damage; the damage comes from running the engine on it.
AdBlue in a diesel is an issue of the wrong substance altogether. It does not burn, so it can't simply be run through. Nor can it be thinned, since it splits again — and the next tankful will not rinse away crystals or corrosion. So the flush counts more with AdBlue, and turning your key "to see", in the centre of Blaengwynfi or out in Blaencaerau, costs more than almost any other error.
The same good news applies as with petrol. Anywhere in Neath Port Talbot the vehicle has stopped, an unrun motor leaves the AdBlue yet inside the reservoir: the simplest bit of any fuel system to clear.
How AdBlue ends up in a diesel tank in Blaengwynfi
After dark, two caps together — the AdBlue cap and the diesel cap, now and then behind one flap — can appear the same. Nobody intends it; many layouts allow it. A container bought while heading home and tipped in outside the house, rather than at the filling station, is the usual story.
The ways it takes place are few and familiar. Halfway through the morning drop-off, the dashboard warns, and outside the local primary school the refill is rushed. Someone tips the bottle in at home, just off Park Lane, as the day ends. One more version: dim light, the car park outside the pub in the village, and someone using that flap for the first time.
It comes up most in a hire car, a new motor, a fleet car, or the other motor of a family with one of each fuel types — the vehicles people know least. Anywhere across Neath Port Talbot, Blaengwynfi included, the slip doesn't change, and nor does the first step: leave it off.
Blaengwynfi: started the engine with AdBlue in the diesel tank?
If so, the AdBlue is no longer inside your tank. The fuel filter and pipework have had it sucked along, and some running takes it on to the high-pressure pump and each injector.
You may see the engine running unevenly, smoking, losing power, showing warning lights or cutting out, perhaps on the way back from Red Field Rugby & Football Gound or halfway across Blaengwynfi. When safe, stop and switch it off — without turning it on again to see. More of it is pulled through with each start.
Blaengwynfi sits under 10 miles from the M4; if you were on it, exit by the next junction and stop safely instead of driving on.
A quick hop across Blaengwynfi to the car park by St Gabriel's Church is one matter; heading towards Swansea, under 15 miles away, is something else, because each mile pushes the AdBlue further in. So mileage matters. Let us know about how far it had come.
Our technicians do all of the cleaning where your car has come to a stop, and once the engine has run there is more of it. If it's noticed early, long-term damage is very unusual.
What emptying AdBlue from a diesel involves in Blaengwynfi
Anywhere it has stopped in Blaengwynfi — a filling station, a layby, a driveway, a road beside Llyndwr (555 m) — our van travels to your vehicle. The job rests on three answers, and we ask for before all else — which fluid went in, the quantity, and if your motor has turned over.
Then that tank is drained where the car sits, so the tainted fuel and the AdBlue come out together. A careful flush matters much more after AdBlue than after petrol, since residue won't wash out by itself. Fresh diesel goes in after the fuel filter is flushed — or swapped, if it needs to be — and then the vehicle is tested. If your motor has not run, most jobs take about half an hour once we are there. Explosion-proof pumps make a live forecourt safe to work on, and they're quiet enough not to disturb the neighbours at night.
The final step is to prime your system on fresh diesel. At that point we fire it up and you set off, whether from a parking space by Treherbert or a driveway in Blaengwynfi. Before we go, our engineers check it's running smoothly with new diesel in. The whole job is done where the car is, so it never has to be taken to a workshop. At the end, you are given the paperwork for your insurer: a VAT invoice plus a written report from the engineer.
About Blaengwynfi itself
Blaengwynfi is a village in Neath Port Talbot, situated on the banks of a river at an elevation of 269 metres. Blaengwynfi lies near the villages of Abergwynfi, Croeserw, and Cymmer, and is approximately 14.7 miles from Swansea. Blaengwynfi has a population of around 1144 people, predominantly living in terraced housing. Blaengwynfi is located in a scenic area, with the Welsh countryside surrounding it.
AdBlue drains across Neath Port Talbot, Blaengwynfi included
Over the SA postcode area, the vans taking AdBlue call-outs around Blaengwynfi reach much of Neath Port Talbot as well, Abergwynfi, Croeserw and Cymmer among them. Ring and ask instead of guessing if you're by a county line, or somewhere tricky to pin down.
Anywhere your car stands — your driveway at home, a residential street, a parking area, a forecourt — our technicians drain it on the spot, with no need to bring it to us; that suits Blaengwynfi, a village, well.
What AdBlue in a diesel tank costs to put right around Blaengwynfi
Because the callouts differ, a single price wouldn't be fair. What changes the cost is, first, whether the motor has run and for how long; then how much AdBlue got in; and then where your car is and whether a technician can reach it safely, which is easier on an open driveway than in a tight gap behind Tumuli.
For that reason, each call from Blaengwynfi opens with the identical trio — which fluid went in, how much, whether it ran — before any figure. When those are known, a range becomes one fixed figure.
Before a van sets off, you hear our price by phone. Then payment is on the day, card or by phone, with nothing upfront. As the van is travelling, check your policy: plenty include misfuelling.
Blaengwynfi: still next to the car?
Not touching the car is, right now, the most useful thing open to you. Motor off, keys out, ignition off. Petrol in Diesel takes over the remainder, across Blaengwynfi or anywhere in Neath Port Talbot, after you phone 0333 366 0103 to say it was AdBlue, roughly what quantity, and if the engine ran.