AdBlue in a Diesel Tank in Offord DArcy? Don't Start It
AdBlue in your diesel tank? Then leave your motor off — and your ignition as well. Chemically, AdBlue is simply urea in water. Not like fuel, it neither ignites nor blends, and no harm happens until your motor sucks it through. A drain and a thorough flush, done where the vehicle is around Offord DArcy, is generally all AdBlue in a diesel tank needs — if it's caught before your motor has run. Nothing comes before ringing 0333 366 0103.
Your next steps straight away, Offord DArcy: AdBlue in your diesel tank
Do:
- So no one can turn your ignition on, pull your keys out.
- Hazards on, if moving traffic is at all near.
- The empty bottle or the receipt shows us the fluid and the quantity, so do not bin it out.
- Call right where you are. Say a PE19 5 postcode or the nearest street name, and no one has to hunt for you.
Not to do:
- Don't start your engine, even for a moment to shift your car.
- Do not switch your ignition on. On plenty of diesels that alone runs the fuel pump.
- No more fuel added. The AdBlue won't mix, so it's wasted.
- Don't drive it anywhere, not even a short distance up Meadow Lane.
- Do not try to drain the vehicle yourself by the roadside.
On a forecourt around Offord DArcy, whether it's the Shell or another one, ask the staff to help you push the vehicle away from the pump. If you are on your own drive, leave it precisely where it sits.
AdBlue in a diesel tank, and what it does there
AdBlue is made for the exhaust, not the engine. Its own reservoir keeps it, and from there it's fed into the exhaust, where it cleans the fumes. A fuel pump is not made to take it, and AdBlue was never supposed to travel through one.
Tipped in with the diesel, it keeps apart rather than blending — quite different from fuel. It drops, since it is denser than diesel, and settles low where the pickup takes its fuel from. Simplest of all: one that had AdBlue in Diddington last night and has not turned since. The AdBlue sits at the base of your tank, undrawn — though it would be the first thing through if the motor runs, ahead of any diesel at all.
From there it does two kinds of harm. Crystals and corrosion. As the water evaporates, it strands urea that crystallises in filters and narrow channels; and, since it eats at certain metals, every part it reaches suffers for as long as it stays inside. If the AdBlue has reached the pipework, waiting till morning around Offord DArcy makes it worse. In that tank alone, waiting does nothing. Diesel lubricates the injection pump and every injector as it passes; water offers none of that, which is a separate form of damage.
Why is AdBlue in a diesel often the bigger issue?
Petrol pumped into a diesel on Sainsbury's's forecourt leaves the fuel watery — that is the whole fault. Damage only comes from running on it. Mixed into the diesel and left in your tank, it causes nothing.
AdBlue in a diesel is a problem of the wrong substance altogether. Since it does not burn, running it through is not an option. Deposits and corrosion remain after the following fill, and AdBlue separates back from your diesel, so watering it won't help. Hence the flush matters so much, and turning your key "to see" costs more here than nearly any other mistake — in Buckden or the centre of Offord DArcy alike.
The good news is the same as with petrol. Not run? Then the AdBlue sits just in the tank, the simplest bit of the entire system to empty, wherever the vehicle has stopped across Cambridgeshire.
Offord DArcy: how AdBlue ends up in a diesel tank
After dark, two caps together — the AdBlue cap and the diesel cap, occasionally behind a single flap — can appear the same. Nobody intends it; many designs invite it. It usually happens outside the house, from a bottle bought en route home, not at the filling station.
It tends to happen in a couple of familiar ways. Rushing, outside Offord Primary School, after a warning light came on during the school run, someone refills your car. A bottle is poured in at the end of the day on a drive just off High Street. Else, in dim light outside The Horseshoe Inn, the vehicle is topped up by a driver opening that flap for the first time.
It crops up the most in a rental, a new car, a fleet car, or the other motor of a family with both fuels — the cars people know least. Wherever you are around Offord DArcy or the remainder of Cambridgeshire, it is the same slip and the same first answer: leave it off.
Offord DArcy: started your engine with AdBlue in your diesel tank?
The AdBlue has left the tank, then. It's been pulled through the fuel filter and your lines, and if your engine ran for any time, it has reached your high-pressure pump and your injectors.
You may see your engine running unevenly, smoking, losing power, showing warning lights or cutting out, possibly on the way back from Saint Neots Bowmen or halfway across Offord DArcy. No restarting to check: pull over once it is safe, then switch it off. With each start, more of that is pulled through.
If you were on the A1(M), under 10 miles from Offord DArcy, come off at the next junction and stop somewhere safe instead of pressing on.
Each mile carries the AdBlue deeper in. That is why crossing Offord DArcy to park beside St Peter and a drive of under 25 miles for Cambridge are very different jobs. About how far it had come is worth telling us.
Once the engine has been started, the flush covers more, and all of it is done where your car has stopped. Lasting damage is very rare when it is spotted quickly.
Clearing AdBlue in a diesel in Offord DArcy: what it takes
The car stays put, whether that's a street beside Primitive Village Baptist Church, a driveway, a lay-by or a filling station around Offord DArcy, and the van comes to it. Before anything else we ask what was put in, roughly how much, and whether your engine has run, because those answers settle this work.
Then the tank is cleared where the car waits, and so the tainted fuel and the AdBlue come out together. Residue from AdBlue will not flush out by itself, so the fuel system gets a full flush, which matters far more here than with petrol. The fuel filter is cleaned, or replaced where it needs to be; clean diesel goes in; and the car is tested. Roughly half an hour on site is typical for most jobs when the motor has not run. Low-noise enough to use outside a house at night, and safe on a busy forecourt, the pumps are explosion-proof.
The last step is to prime the fuel system on fresh diesel. Whether it is a parking bay by Huntingdon or a driveway around Offord DArcy, that is where our engineers fire it up and you drive off. Our engineers make sure it runs smoothly on new diesel before we leave. No workshop is required at any stage, with the entire job done then and there. Insurers want a VAT invoice and an engineer report, and you get both afterwards.
About Offord DArcy
Offord DArcy is a village in Cambridgeshire, situated on the banks of the River Great Ouse at an elevation of around 17 metres. Offord DArcy lies near the villages of Offord Cluny and Great Paxton, and is approximately 15 miles from Cambridge. Offord DArcy has a mix of housing types, with semi-detached homes being particularly prevalent. Offord DArcy is also within commuting distance of London, being around 54 miles from the capital.
AdBlue drains across Offord DArcy and Cambridgeshire
Our vans that answer AdBlue call-outs around Offord DArcy also cover the locations around it, Offord Cluny, Stirtloe and Great Paxton among them, and most of Cambridgeshire beyond, across the PE postcode area. If you're close to a border, or somewhere hard to describe, ring and ask rather than guessing.
A mobile service fits Offord DArcy, a village: there's no need to bring the car to us, since we drain it there, on a driveway, a residential street, a parking area or a filling station.
AdBlue in a diesel tank in Offord DArcy: the cost of fixing it
Because each callouts vary, a flat price would not be honest. Whether your engine has run, and for how long, comes first in what moves the cost. How much AdBlue went in comes next, and then the position of the car, since an open driveway is easier for our van to get to safely than a tight gap behind Offord Village Hall.
Before any figure, not afterwards, each enquiry from Offord DArcy begins with the same three checks: the fuel, the quantity, plus if the engine ran. Once they are known, a range becomes a single firm number.
Before a van sets off, you hear our price by phone. Then you pay on the day, by card or over the phone, with nothing upfront. Check your policy while we're on the way: plenty carry misfuelling cover.
Next to the car around Offord DArcy, right now?
In that case, do nothing — that is the best step available. Engine off, keys out, ignition off. Petrol in Diesel handles the rest, across Offord DArcy or wherever within Cambridgeshire, after you phone 0333 366 0103 saying it's AdBlue, about how big an amount, and if it ran.