--- title: St Augustines: AdBlue in a Diesel Tank, Explained canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/st-augustines-kent/ location: St Augustines county: Kent latitude: 51.247430 longitude: 1.022500 service: AdBlue in a Diesel Tank updated: 2026-10-26 --- # How It Occurs and How to Avoid It: AdBlue in a Diesel Tank in St Augustines If AdBlue is already in your diesel tank, stop reading for a moment: leave your motor and your ignition off and call 0333 366 0103. Caught before the engine runs, it's usually a drain and a thorough flush, done where the vehicle is around St Augustines. Reading before the event? In that case the rest covers how it happens and how to stop it ever happening. ## Two fillers, two tanks: AdBlue in a diesel car Many newer diesels around Garlinge Green, as well as St Augustines, carry on two liquids; the motor gets just the diesel. Stored in a tank of its own, AdBlue is fed into your exhaust gas and cleans it. Separate tanks, separate fillers. Plenty of vehicles have a single flap for both, while some move the AdBlue filler to the boot or under the bonnet. At the petrol pump, your diesel side gets filled all the time. The AdBlue side is filled far less regularly, usually from a bottle, and normally by somebody who has to stop and think where it goes. The error lives in that gap. ## St Augustines: how AdBlue in your diesel tank occurs Seldom is it carelessness: normally three things coincide. The warning comes first. As AdBlue runs low the car tells you, and if it runs out completely, the car goes into limp mode. So the top-up is done in a hurry: on a drive off Linden Road before work, or in the car park outside The Local on the way home. New-to-you motors come second, too. Hire cars, new motors and company vehicles put their fillers differently, and habit reaches for the cap used on the old one. And the bottle fits. A bottle with a spout goes into a diesel filler as easily as an AdBlue one, and so nothing stops the tip after it has started. It's a few seconds, be it in Chartham or bang in the centre of St Augustines. ## Which filler is for AdBlue, and which for diesel? Before you tip anything, whether on a driveway in Chartham Hatch or a forecourt around St Augustines, check these. They take a couple of seconds. - Blue and lettering: an AdBlue cap is often blue, or says "AdBlue", where a diesel cap usually does not. Trust the cap, not its position. - On plenty of cars, size tells: AdBlue gets the smaller filler neck. - Look inside the fuel flap: many cars carry a label there saying which fuel goes where. - Cannot find it beside your diesel inlet? Then look beneath the bonnet or inside your boot — the owner's manual says where. - Picking up a hire or company car, perhaps at the car park outside Chartham? Check with whoever drove the car last before leaving, rather than once the light goes on. ## Topping up AdBlue without it reaching the diesel tank A routine for the day the light comes on, wherever in Kent that is. - Turn off once parked — flat ground, engine stopped, and not in a rush by Jasmine Close on the verge. - Find the AdBlue filler and read the cap. Say "AdBlue" out loud as you unscrew it. It sounds daft and it does the trick. - The diesel cap stays on. When the two sit under a flap, make sure it is shut before lifting the bottle. - Finish once the tank fills or the bottle runs dry; until then, pour gently through its built-in spout. - Before starting the car, shut the cap and look a second time that the diesel cap never came off. Find at step two or three that it has already gone into the diesel side? Then stop right there. Step five stays off limits. ## AdBlue in the diesel tank already, in St Augustines? What follows is a short order of things, beginning with not starting your engine. Do not switch your ignition on; on plenty of diesels that alone runs the fuel pump. Topping up with diesel will not thin it: rather than mixing, AdBlue drops to the bottom of your tank, right where fuel is taken from. On a forecourt — Morrisons, Esso or another — the attendants will normally help roll the car away, when you ask. At home around St Augustines? So the car remains where it is. When your engine has been run by now, stop safely then turn the car off. St Augustines sits under 10 miles from the M2; there, use the first junction. About how far did it go? Hopping across St Augustines is smaller a job than a run of under 5 miles to Canterbury, and so tell us. ## Our arrival in St Augustines, and what occurs next Our engineers come to the vehicle wherever it has stopped, whether that's outside Chartham Primary School, near Chartham Village Hall or on your own drive. The replies decide the work and our price, so our technicians ask what got in, about how much, and if it's run. Nobody heads out before you've had our price by phone. Emptying your tank comes next, then a full flush of the fuel system. With AdBlue that matters more than with petrol: it crystallises and is corrosive to some of the metals in a fuel system, and so it doesn't wash out on its own. The filter cleaned or, where needed, replaced; fresh diesel in; and then a check of your vehicle. Before leaving, our engineers start it and check that it is running properly. Using pumps fine on a busy forecourt and quiet enough for use outside a house at night, most jobs where the motor hasn't run take roughly half an hour once our engineers are there. Your insurer usually wants the engineer's report and your VAT invoice, and both are yours at the end. Payment comes on the day, with no money upfront. Before we get there, have a look at your policy; many carry cover for misfuelling. ## About St Augustines and where it is St Augustines is a suburban area situated near the city of Canterbury in Kent, with St Augustines being part of the larger urban landscape of the region. St Augustines sits at an elevation of 82 metres, surrounded by nearby places such as Chartham and Shalmsford Street. St Augustines has a population of approximately 1775 residents, with terraced housing being the predominant type of accommodation in the area. ## AdBlue drains across Kent, St Augustines included St Augustines is a residential suburb, and our teams that cover it also work the places around it, Shalmsford Street and Mystole among them, across the CT postcode area. A postcode starting CT4 7 gets our van to you fastest. Your car does not need to shift. A drive, a lay-by on the way to Baker's Wood, a side street near St Mary's Church: our technicians drain it where it stands. Tricky to pin down, like the back of Chartham Cemetery? By a border? Asking is better than guessing, so ring. ## The short version for St Augustines drivers Before you pour, read the cap. Petrol in Diesel empties it on the spot, anywhere in Kent, if AdBlue has gone in the diesel tank regardless — and so leave the car off then phone 0333 366 0103.