--- title: AdBlue in a Diesel Tank Shirley Warren: Explained canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/shirley-warren-hampshire/ location: Shirley Warren county: Hampshire latitude: 50.931070 longitude: -1.439200 service: AdBlue in a Diesel Tank updated: 2026-10-10 --- # Preventing AdBlue in a Diesel Tank in Shirley Warren: Why It Happens If AdBlue is already in your diesel tank, stop reading for a moment: leave the engine and your ignition off and phone 0333 366 0103. Caught before the engine runs, it's usually a drain and a thorough flush, done where the car is around Shirley Warren. If you're reading before it has happened, the remainder of this page is about why it occurs and how to make sure it does not. ## Why does AdBlue in a diesel vehicle need its own filler? Diesel feeds your engine — but plenty of newer diesels seen round Shirley Warren and Maybush hold a second liquid too. AdBlue goes to your exhaust, where it is sprayed into the gas to clean it, and it lives in a tank of its own. Different tanks, different fillers. Plenty of motors have a single flap for the two, while others move the AdBlue filler to your boot or under the bonnet. The diesel side is filled at the petrol pump all the time. Rarely topped up, AdBlue normally goes in from a bottle, poured by a driver who must stop and think what filler to use. The error lives in that gap. ## Shirley Warren: how AdBlue in the diesel tank takes place Three things tend to come together, and carelessness is seldom one of them. On a drive off Jessamine Road before work, or in the car park outside The Ice House heading home: that is where the hurried top-up takes place. Why the rush? As AdBlue gets low the vehicle warns you, and once it's gone, limp mode kicks in. Next, your hand reaches for the cap it knew on the old motor — since a hire car, a new vehicle or a company car places the fillers somewhere your last one didn't. No part stops the pour once it has started, since a bottle with a spout goes into a diesel filler as readily as an AdBlue one. The bottle fits. It takes seconds, be it in Old Shirley or right in the centre of Shirley Warren. ## The AdBlue filler and the diesel filler: telling them apart Check these first, at a forecourt around Shirley Warren or a driveway out in Wimpson. Seconds, that's all. - The cap. The AdBlue cap is frequently blue, or marked "AdBlue". Your diesel cap usually isn't. Read it rather than going by position. - On many motors, the size gives it away: AdBlue has the smaller filler neck. - Open the flap and check for a label — many cars mark which belongs in which filler just there. - In the boot or under the bonnet: that is where the filler sits if it is not by the diesel cap, and the handbook tells you which. - The person who drove it last. On a hire or company car collected from somewhere like the car park at Millbrook (Hants), ask before you leave, not when the light comes on. ## How to top up without AdBlue in the diesel tank A routine for the day the light comes on, wherever across Hampshire that is. - Pull in somewhere level, motor off, with time to spare — never rushing on the side of Sycamore Road. - Find the AdBlue filler and read the cap. Say "AdBlue" out loud as you unscrew it. It sounds silly and it does the trick. - The diesel cap stays on. Where the two sit under a flap, make sure it is closed before lifting the bottle. - Gently is best, through the bottle's own spout, until it is full or the bottle is empty. - Shut the cap, and look again — making sure your diesel filler remained closed the whole time. After that, start the vehicle. If at stage two or three you find you have already poured into the diesel side, stop there. Stage five is off limits. ## Shirley Warren: already put AdBlue in your diesel tank? Then the order of things is short. Don't start your motor. Don't switch your ignition on; on plenty of diesels that alone runs the fuel pump. Don't top up with diesel to thin it: AdBlue does not mix with diesel, it sinks to the bottom of that tank, where your fuel is sucked from. Ask the staff to help roll the vehicle clear of the pump if you're at a forecourt — the Shell, the Tesco or somewhere else. Leave it where it is if you're on your own drive around Shirley Warren. If your motor has already run, stop as soon as it is safe then switch off. Shirley Warren sits under 3 miles from the Nursling Spur Motorway; on it, take the first junction. A short hop across Shirley Warren is a smaller job than a run towards Southampton, under 3 miles away, so tell us about how far it went. ## When our engineers get there around Shirley Warren, what takes place? By Shirley Warren Primary & Nursery School, close to Shirley Warren Action Church or on your own driveway: wherever the vehicle has stopped, our engineers come to it. Both the work and our quote rest on three answers — what fluid, which quantity, and whether it has run — so we ask. No one sets off before you have had the price by phone. Then that tank is emptied and the fuel system flushed thoroughly. With AdBlue that matters more than with petrol: it crystallises and is corrosive to some of the metals in a fuel system, so it doesn't wash out on its own. Your filter is cleaned, or replaced where it needs to be; fresh diesel goes in; and the vehicle is tested. Next our engineers start the car and make sure it runs correctly before we go. If your engine hasn't run, most jobs take about half an hour once we are there, using pumps that are fine on a working forecourt and quiet enough to use outside a house at night. You pay on the day, with nothing upfront, and get a VAT invoice and an engineer report for your insurer. Plenty of insurance policies include misfuelling cover, and so it's worth checking yours whilst we are on the way. ## About Shirley Warren, for a moment Shirley Warren is a suburban area located on the coast in southern Hampshire, sitting approximately 30 metres above sea level. Shirley Warren is situated near the city of Southampton, with Old Shirley, Aldermoor, and Coxford as nearby places. Shirley Warren has a population of around 9212 people and is characterised by semi-detached housing. Shirley Warren is also within commuting distance to London, being around 69 miles away. ## AdBlue drains across Hampshire, Shirley Warren included Aldermoor and Coxford are among the towns around Shirley Warren, a residential suburb, that the same vans cover, throughout SO postcodes. A postcode starting SO16 6 gets the van to you fastest. Moving the vehicle isn't needed. A driveway, a lay-by on the way to Macmillan Garden, a side street close to Oaklands Community Hub: our engineers drain it where it sits. Ring and ask rather than guessing if you're near a boundary, or somewhere hard to describe, like the back of Kingdom Hall. ## Shirley Warren people: the short version Read the cap before you pour. Petrol in Diesel drains it on the spot, anywhere around Hampshire, if AdBlue has gone in your diesel tank regardless — so leave the car off and call 0333 366 0103.