--- title: What Now? AdBlue in a Diesel Tank Rhos canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/rhos-neath-port-talbot/ location: Rhos county: Neath Port Talbot latitude: 51.712170 longitude: -3.826470 service: AdBlue in a Diesel Tank updated: 2026-10-03 --- # AdBlue in the Diesel Tank in Rhos: What Now? What to do about AdBlue in a diesel tank depends on one thing more than any other: whether the motor has been run since it went in. Over in Fforest Goch or here in Rhos, an unstarted motor should stay unrun. Leave your engine and your ignition off then call 0333 366 0103; it is generally a drain and a thorough flush, done where the vehicle is in Rhos. Stop the moment you safely can and switch off, if it has been run. It is a larger job, yet step one does not change. Below: the cases our engineers see, wherever in Neath Port Talbot. Choose the one that fits. ## At the petrol pump around Rhos: AdBlue in a diesel The cap you opened was the wrong one — and you just notice it as you are stood at the petrol pump, bottle or nozzle in hand. Somewhere around Rhos, then — the nearest petrol station, Tesco, or anywhere else nearby. What it means: this is the ideal location to find out. Just the tank holds AdBlue; no part beyond it has drawn it in. Next: resist the urge to start it just to free up the pump. Have the staff to lend a hand rolling it into a space, hold on to the receipt, then ring us from there. The equipment is explosion-proof and fine on a live forecourt, and so a vehicle that cannot be pushed away gets drained right at the pump. ## Rhos, at home: AdBlue in the diesel tank For days the dashboard had been nagging you. You bought a bottle, poured it in on the drive, and only when you put the empty bottle in the recycling did you look once more at the cap. Just off Plas Road is not less likely from anywhere. What it means: if you haven't driven since, this is almost as good as the forecourt. At the floor of the tank is exactly where AdBlue stays, because it will not mix with diesel — and a night going by makes no difference. Your move: keys in the house, so nobody drives the vehicle anywhere at breakfast. Then, ring. Out in Gellinudd or here around Rhos, the drain happens at your drive. Night-time clears outside a house are fine: the pumps are quiet. ## Set off with AdBlue in a diesel around Rhos? Lumpy running, smoke, lost power or a glowing dashboard arrived a short way beyond the top-up. Somewhere along Waun Daniel or heading towards Swansea — under 10 miles away. The point: your system has drawn AdBlue in already. Mileage decides how deep it gets: filter and pipework first, then the injection pump and each injector. Each mile and each restart takes it further. Pull in somewhere safe — that's the next step — then switch everything off. Exit at the first junction — not the services further along — if you're on the M4, under 5 miles from Rhos. Starting it again to test achieves nothing — AdBlue doesn't clear itself. Phone, saying what distance the vehicle was driven. ## A hire or company car with AdBlue in the wrong tank? It is a car you have had for a week. Your own car either has no AdBlue or keeps it elsewhere, so no one warned you the AdBlue inlet sits just next to your diesel. Wherever you are in Neath Port Talbot, any driver can be caught. What it means: the same as the scenarios above, depending on whether it's run, with one more step. Plenty of hire and company agreements want the owner to approve work on the car. Sorting it before the van arrives is faster, so ring the hire company or your fleet manager, then us. If you're stuck in the car park at Neath, or by Pontardawe Library, while you wait for an answer, leave the car off. ## AdBlue in the diesel tank? Not sure, around Rhos Now and then, "I think so" is the most you can honestly say. Lighter, the bottle; a trace of ammonia round the filler; no clear memory of which cap. Sound familiar? Maybe on a friend's drive in Pontardawe, or rushing by the local primary school at the school run. Meaning? Spills outside the filler never reach the engine at all. A diesel tank with AdBlue inside is another story. Starting the car will not tell you which, and if there is AdBlue in your tank it will suck it in. Take it that it got in, and never start the engine. Phone with what you saw: we'd sooner find a clean tank than empty one once your motor has run. ## What every AdBlue drain in Rhos has in common Whichever scenario you are in, this job starts the same way. Wherever the vehicle stands — The Butchers Arms's car park, a road by Tŷ'r Gwrhyd, a driveway, a filling station — the van arrives and we ask about the fluid, the amount, and whether your motor has been run. Those replies decide this work, and you hear the quote by phone, before anybody heads out. Draining your tank comes next, then a careful flush — more vital after urea than after petrol, because crystals and corrosion will not clear on their own, however long it sits. Fresh diesel is put in after the fuel filter has been cleaned or changed, and the car is then checked. Where your engine hasn't been started, expect about half an hour once we arrive, for most jobs. Firing it up comes last. Our check that it runs correctly on new diesel comes before we head off. If it is noticed soon, the car very rarely has lasting damage, and the entire job takes place where it is. Paying is that day, never upfront. For your insurer, there is a VAT invoice plus a written report from the engineer. Many insurance policies include misfuelling cover, and so it is worth checking yours whilst we are on the way. ## About Rhos and where it is Rhos is a village in Neath Port Talbot, situated on the riverside at an elevation of 117 metres, with detached housing being the predominant type of accommodation. Rhos lies approximately 8 miles north of Swansea and is close to nearby villages such as Gellinudd and Alltwen. Rhos is part of a wider network of rural communities in the area, with easy access to the city of Swansea. Rhos has a population of around 1732 people, according to recent estimates. ## Rhos and Neath Port Talbot: AdBlue drains across the area Being a village, Rhos has the same vans as the surrounding towns — Cilybebyll, Alltwen — right across SA postcodes. Quickest of all: a SA8 3 postcode for where you stand. Central Rhos or a lay-by near Rhos Park: wherever it is, the vehicle never needs to shift an inch for this drain. Our technicians drain the vehicle where it sits. If you're somewhere hard to describe, close to Pontardawe Arts Centre or close to a boundary, ring and ask rather than guessing. ## Your situation, summed up Not run yet: keep the car off then call. Started already? Pull over, turn off, ring. Petrol in Diesel takes over the rest whatever it is, in Rhos and Neath Port Talbot, on 0333 366 0103.