--- title: AdBlue in a Diesel Tank The Borough? Next Steps canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/the-borough-greater-london/ location: The Borough county: Greater London latitude: 51.503750 longitude: -0.093750 service: AdBlue in a Diesel Tank updated: 2026-10-04 --- # What Now? AdBlue in the Diesel Tank in The Borough All of that turns on one detail: whether your motor has been run since the AdBlue went in — far more than anything else. If it has not, keep it that way, whether the vehicle is in The Borough itself or out in Elephant and Castle. Usually this is draining and properly flushing it on the spot in The Borough — and so keep your ignition and motor off then ring 0333 366 0103. Already run? Pull over when safe, then switch it off. It's a larger job, though stage one does not change. Compare your case to a situation from the ones below, wherever in Greater London you are. ## On a The Borough forecourt with AdBlue in a diesel The cap you opened was the wrong one — and you only notice it while you're stood at the petrol pump, bottle or the nozzle in hand. Anywhere in The Borough, then — Shell, Texaco, or somewhere else nearby. Meaning? Spotting it on the forecourt is the best it gets. No pump has drawn it in, and so the AdBlue stays only in the tank. Do this: stay out of the driver's seat, even if the pump needs clearing. Three things: a shove into a bay with the staff helping, the bottle kept, and a ring to us from where you stand. Our equipment is explosion-proof and safe on a live forecourt, so a car that cannot be pushed clear is drained where it is at the pump. ## The Borough, at home: AdBlue in your diesel tank The warning light had been on for days. Bought a bottle, poured it in at home, binned the empty — and only then checked the cap a second time, after the fact. It happens on driveways just off Union Street as commonly as anywhere. What it means: if you have not driven since, this is almost as good as the forecourt. Being unable to mix, AdBlue settles low inside the tank and stays. One night parked changes nothing. What to do: leave the keys inside the house so nobody moves the car in the morning. Then ring. Your driveway is where it is emptied, be it in The Borough or Southwark. Late-night drains beside a house are fine: the pumps are quiet. ## Set off with AdBlue in a diesel around The Borough? Lumpy running, smoke, falling power or a lit dashboard started a short way beyond the fill. O'Meara Street, say, or the route towards London — a run of under a mile. What it means: your fuel system has drawn the AdBlue in. Distance sets how far it goes: filter and lines to begin with, then the high-pressure pump and each injector. More driving, more restarts: deeper it goes. Next: pick a sensible spot, pull in, then turn the engine off. Service stations farther on can wait: from the M1, under 10 miles out of The Borough, take the next junction. Restarting it to check achieves nothing — AdBlue doesn't clear on its own. Tell us hear the mileage covered as you call. ## AdBlue in the wrong tank of a hire, lease or company car It is a vehicle you have had for a week. Unbeknown to you, the two inlets sit side by side here — not like your own vehicle, which has no AdBlue or stores it in another spot. It can happen to anyone, anywhere across Greater London. Meaning? Whatever case above counts too — run or not — and one further step. Work on your vehicle frequently requires the owner's go-ahead under rental or company terms. Sorting it before we turn up is faster, and so ring the hire company or your fleet manager, and then us. Keep it off while the answer comes, whether you are waiting at London Bridge or close to Crossbones Graveyard. ## AdBlue in the diesel tank? Not sure, around The Borough At times, "I think so" is all anyone can truthfully say. Which cap was taken off, you can't say; meanwhile the bottle feels lighter than expected, and ammonia lingers by your filler. Possibly it happened in a hurry at the school gates at The Cathedral School of St Saviour and St Mary Overie, or on a friend's drive in Blackfriars. The upshot: your motor isn't harmed by some AdBlue spilled on the outside. If it is inside your diesel tank, though, it does. You can't tell which by turning the key, and doing so would draw in any AdBlue that is in your tank. Assume it went in, and don't start your engine. Call us and describe what you saw; we would rather check a tank that turns out free of AdBlue than drain one that has already been run. ## The common ground in each The Borough AdBlue drain Whatever the situation, a single start applies. Our technicians come to your car, whether it is on a forecourt, a driveway, the car park at The Rose & Crown or a side street close to Most Precious Blood, and ask three things: what got in, roughly how much, and whether the engine has run. Answers set the job; the price comes by phone whilst no one has set off yet. AdBlue crystallises and is corrosive to some metals in fuel systems, and so it does not wash out unaided; that is why a full flush, after the drain, matters far more with AdBlue than with petrol. Last are the fuel filter, flushed or renewed as needed; fresh diesel; and a test of the car. Most unrun cars are a half-hour job from the moment our technicians arrive. Finally, our engineers start it. Our check that it runs properly on clean diesel comes before we go. When it is caught soon, the vehicle very rarely has permanent damage, and the whole job happens where it is. For your insurer: an engineer's report and the VAT invoice. For you: payment on the day, nothing upfront. Plenty of insurance policies cover misfuelling, and so check yours while the van travels. ## About The Borough The Borough is a suburban area in central London, situated on the south bank of the River Thames. The Borough sits at a low elevation of around 6 metres, close to the city centre and neighbouring areas like Southwark and Bankside. The Borough is predominantly composed of flat dwellings, reflecting its urban character. The Borough is well connected to the rest of London, being just 0.7 miles from the city and 1.5 miles from the centre of London. ## The Borough and Greater London: AdBlue drains across the area North Southwark and Bankside have the identical vans as The Borough, a residential suburb, along with further towns throughout SE postcodes. Fastest of all: a SE1 1 postcode for where you stand. Whether the vehicle is on a lay-by on the way to Crossbones Graveyard or in a car park in the middle of The Borough, it does not need to move. Our engineers drain the vehicle where it is. Assuming won't help beside Omeara, close to a county line or somewhere hard to pin down; phone and ask. ## In one line: your situation If it has not run, phone then keep it that way. Run already? Pull over, turn off, ring. Petrol in Diesel takes over the rest whichever it is, in The Borough and Greater London, on 0333 366 0103.