--- title: Explained: AdBlue in a Diesel Tank Wick canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/wick-west-sussex/ location: Wick county: West Sussex latitude: 50.819890 longitude: -0.543890 service: AdBlue in a Diesel Tank updated: 2026-10-22 --- # AdBlue in a Diesel Tank in Wick: How It Occurs and How to Avoid It Stop here for a moment when the diesel tank already holds AdBlue in it: ignition off, motor off, and phone 0333 366 0103. Around Wick, finding it before your engine turns normally leaves a drain and a thorough flush where it stands. Here before the event? Then what follows explains why it comes about and what to prevent it ever happening. ## Why does AdBlue in a diesel car need its own filler? Many current diesels on the roads around Wick and Climping carry two liquids, not one. Diesel goes to the engine. AdBlue goes to your exhaust, where it is sprayed into the gas to clean it, and it lives in a tank of its own. Each tank comes with a filler of its own. Other cars put the AdBlue filler in your boot or under the bonnet; plenty of others have both together under one flap. At the petrol pump, the diesel side is topped up all the time. Rarely filled, AdBlue usually goes in from a bottle, tipped by someone who has to stop and think which cap it needs. It is in that gap that the error lives. ## How AdBlue in the diesel tank takes place around Wick It is rarely carelessness. Three things tend to line up. First, the warning. Low AdBlue triggers a warning from your car, and running dry leads to limp mode — hence a rushed top-up, maybe before work off Courtwick Road, or at Dew Drop Inn on the way home that evening. Then the car is new. A hire car, a new vehicle or a company car puts the fillers where your last one did not, and the hand reaches for the cap it would have used on the old one. Lastly, the bottle goes in: a diesel filler or AdBlue filler, it slides in as easily, and after the pour starts, nothing halts it. The same few seconds decide it, in the middle of Wick or out in Toddington. ## Which filler is for AdBlue, and which for diesel? Check these first, at a forecourt in Wick or a drive out in Ford. A few seconds, no more. - Position misleads; the cap does not. AdBlue ones are often blue or carry the word "AdBlue" — diesel ones usually don't. - On many cars, size tells: AdBlue has the smaller filler neck. - A label inside the fuel flap often shows which fuel goes where, on many cars. Look for it. - Cannot find it next to your diesel filler? Then look below the bonnet or inside the boot — the owner's manual will say where. - The previous driver knows. Ask when you pick up a hire car or fleet car — from Littlehampton's car park, perhaps — not when the light appears. ## Keeping AdBlue out of the diesel tank when you top up On the day the light appears — anywhere it is across West Sussex — a simple routine to use. - Park and switch off. Not on a slope, not with your motor running, and not in a rush on the side of Gladstone Terrace. - Say "AdBlue" out loud as you unscrew the cap, once you find the AdBlue filler and reading it. Daft, perhaps, but it works. - If both sit under one flap, check the diesel cap is still closed before you lift the bottle — and leave the car on. - Finish once your tank is topped up or the bottle runs dry; until then, tip slowly using the own spout. - Only after that, start the vehicle: close the cap, check a second time, and make sure your diesel cap was never opened. If at step two or three you find you have already poured into the diesel side, stop there. Don't carry on to stage five. ## Wick: already put AdBlue in the diesel tank? Do not start the motor: that's how the short order of things begins. Leave the ignition off as well, because on many diesels switching it on by itself runs your pump. Thinning it with extra diesel won't work, since AdBlue settles to the base instead of blending — and that's where the fuel is drawn from. Ask the attendants to help roll the vehicle clear of the pump if you're at a forecourt — the Morrisons, the Tesco or anywhere else. Leave it where it is if you're on your own driveway around Wick. Where the motor has run already, stop safely then switch the vehicle off. On the Waterlooville Bypass, under 25 miles from Wick, that means the next junction. Tell us roughly how far it went: a run towards Chichester, under 15 miles away, is a bigger job than a short hop across Wick. ## What occurs when our technicians get there in Wick Outside Lyminster Primary School, near All Saints or on your own driveway: wherever the car has stopped, our technicians come to it. What liquid got in, the quantity, and if it ran: our technicians ask since the replies decide the work and quote. The price is given on the call, ahead of any van leaving. Draining the tank comes next, then a full flush of the fuel system. Not like petrol, AdBlue leaves crystals and attacks some fuel-system metals, and none of it washes out by itself. Hence it counts more. Testing is at the end: before that, clean diesel is added, and the fuel filter is flushed or changed as needed. The engine is fired up next and tested to be sure it runs smoothly, all before our engineers head off. Most jobs are done in about half an hour after our technicians get there, as long as your motor hasn't run — and the pumps our technicians use are fine on a live forecourt yet quiet at night beside a house. You pay on the day, with nothing upfront, and get a VAT invoice and an engineer report for your insurer. While we travel, have a look at your policy; plenty carry cover for misfuelling. ## About Wick itself Wick is a coastal village in West Sussex, situated near the mouth of the River Arun and close to the cities of Chichester and Littlehampton. Wick sits at a low elevation of around 3 metres, with its terraced housing reflecting the area's historical development. Wick is part of a larger network of settlements in the area, including nearby Toddington and Lyminster, and is within commuting distance of London, approximately 50 miles to the north-east. ## AdBlue drains across West Sussex, Wick included Littlehampton and Lyminster are among the towns near Wick, a coastal village, that the same vans cover, throughout BN postcodes. Give a postcode beginning BN17 7, and our van arrives fastest. The vehicle does not need to shift. Draining takes place on the spot, be it a drive, a street near Wick Hall, or a layby on the way to Worthing Road Recreation Ground. Guessing doesn't help behind The Wickbourne Centre, on a border, or somewhere awkward to pin down; ring and check. ## For Wick motorists, the short version Read the cap before you tip. Even so AdBlue in the diesel tank? Petrol in Diesel will empty it where it is, anywhere in West Sussex: keep the vehicle off then phone 0333 366 0103.