Avoiding AdBlue in a Diesel Tank in Medbourne: Why It Happens
AdBlue already in your diesel tank? In that case set this page aside for now, leave the ignition and engine off, then call 0333 366 0103. Caught before the motor runs, it is generally a drain and a thorough flush, done where the car is around Medbourne. Here before the event? Then the rest explains how it comes about and how to prevent it happening at all.
AdBlue in a diesel car, and its separate tank
Diesel feeds the engine — yet plenty of modern diesels driven about Medbourne and Woodhill hold a second liquid as well. Your exhaust, not the engine, is where AdBlue ends up: sprayed into the gas to clean them, from its own tank.
Every tank comes with a filler of its own. Under one flap, side by side: that's the layout on many cars. Elsewhere, AdBlue's filler sits under the bonnet or in your boot instead. Topping up the diesel side at the pump goes on all the time. Someone who has to stop and think where it goes normally fills the AdBlue side, from a bottle, and much less often. The slip lives in that gap.
Medbourne: how AdBlue in your diesel tank happens
Three things tend to come together, and carelessness is rarely one of them.
First, the warning. Low AdBlue triggers a warning from your car, and running dry leads to limp mode — hence a rushed top-up, perhaps before work off H5 Portway, perhaps at Sportsmens Rest on the way home after work.
The old car's filler is where the hand reaches — yet a hire car, a new car or a company car keeps the fillers somewhere else. That's the second thing: an unfamiliar car.
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. Hazeley or the middle of Medbourne: it is the same few seconds in both.
How to tell the AdBlue filler from the diesel one
Before you tip anything, whether on a driveway in Crownhill or a forecourt around Medbourne, check these. They take a few seconds.
- Where it sits misleads; the cap does not. AdBlue ones tend to be blue or bear the word "AdBlue" — diesel ones usually do not.
- Check the size: the smaller neck is, on plenty of cars, the AdBlue one.
- The flap. Look inside the fuel flap for a label. Many vehicles say there which fuel goes where.
- Can't find it beside your diesel inlet? Then look below the bonnet or inside your boot — the owner's manual says where.
- The person who drove it last. On a hire or company car collected from somewhere like the car park at Milton Keynes Central, ask before you leave, not when the light comes on.
AdBlue top-ups that never reach your diesel tank
When the light goes on, anywhere across Buckinghamshire, follow this routine.
- Pull in somewhere level, engine off, with time in hand — not hurried on the side of Flamstead Gate.
- Locate the AdBlue filler, read the cap, and speak the name "AdBlue" out loud while you unscrew it. It sounds silly. It does the trick.
- If both sit under one flap, check the diesel cap is still closed before you lift the bottle — and leave the car on.
- Pour slowly, using the bottle's own spout. Stop when it's full or when the bottle is empty.
- Only then, start the car: close the cap, check once more, and make sure the diesel cap was never opened.
Find during the second or third stage that the bottle went into the diesel filler? That is where you stop. Leave out step five entirely.
Medbourne: already put AdBlue in the diesel tank?
Do not start the motor: that is how the short order of things starts. On plenty of diesels your ignition alone runs the fuel pump, and so don't switch the vehicle on. Thinning it with extra diesel won't work, because AdBlue settles to the base rather than blending — and that's where your fuel is sucked from.
At a forecourt — Morrisons, BP or any other — the attendants will normally help push your car clear, if you ask. Leave it where it is if you're on your own driveway around Medbourne.
Stop as soon as it is safe then switch off, if the engine has already run. Medbourne lies under 5 miles from the M1; on it, use the next junction. A short hop across Medbourne is a smaller job than a run towards Milton Keynes, under 3 miles away, and so tell us about how far it went.
What occurs when our technicians get there around Medbourne
Anywhere the car has stopped, be it outside Christ the Sower Ecumenical Primary School, near Seedlings Children's Centre or on your own drive, the van travels to it. Both the work and the price rest on three answers — which liquid, what quantity, and whether it has run — so we ask. You get that quote on the phone, before anyone sets off.
Emptying the tank comes next, followed by a thorough flush of the system. 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. A test is at the end: before that, fresh diesel is added, and the fuel filter is flushed or changed as needed. After that our engineers fire it up and check it runs correctly before we leave.
If your engine hasn't run, the majority of jobs take about half an hour once we're there, using pumps that are safe on a working forecourt and quiet enough to use outside a house after dark. Payment is on the day, not upfront, and you are given the paperwork your insurer wants: an engineer report and a VAT invoice. It's worth checking your policy while we travel to you: misfuelling cover is included with plenty of policies.
About Medbourne and where it is
Medbourne is a suburban area in Buckinghamshire, situated approximately 2.7 miles from Milton Keynes and 45.8 miles northwest of London. Medbourne sits at an elevation of around 102 metres, in a gently undulating landscape of inland South East England. Medbourne has a mix of housing types, but is predominantly characterised by detached homes, and is close to nearby places such as Hazeley and Oakhill. Medbourne is a relatively small community, with a population of around 5183 residents.
AdBlue drains around Medbourne and across Buckinghamshire
Oakhill and Grange Farm are among the places near Medbourne, a residential suburb, that the same teams cover, over MK postcodes. Fastest of all: quote a MK8 0 postcode for the van.
Moving the vehicle is not necessary. Draining happens on the spot, be it a driveway, a road by Medbourne Pavilion, or a lay-by on the way to Shenley Wood. Ring and ask instead of assuming if you are near a border, or somewhere hard to explain, like the back of Oakhill Moat.
In short, for Medbourne motorists
Before you tip, read the cap. Still AdBlue in the diesel tank? Petrol in Diesel will empty it wherever it is, anywhere in Buckinghamshire: keep it off then call 0333 366 0103.