Doonfoot: AdBlue in the Diesel Tank? Leave It Off
Engine off, ignition off: that's where you begin if AdBlue has got into your diesel tank. AdBlue is urea mixed in water. As it is water-based, it will not ignite and never combines with diesel; trouble just starts when the pump begins pulling it. A drain and a thorough flush, done where your car is around Doonfoot, is generally what AdBlue in a diesel tank takes — if it is caught before your engine has been run. No step comes before calling 0333 366 0103.
Doonfoot, AdBlue in the diesel tank: what to do straight away
Do:
- Pocket your keys, which stops anyone turning the power on.
- Hazards on, if moving traffic is anywhere near.
- The empty bottle or the till receipt tells us the product and the quantity, so do not throw it out.
- Give us a postcode starting KA7 4, or whichever street is nearest, and the van finds you directly — so call wherever you are.
Don't do these:
- No starting your motor — not briefly, not to reposition your vehicle.
- Don't switch your ignition on. On many diesels that alone runs the fuel pump.
- Pouring in extra diesel doesn't work: AdBlue separates out rather than blending.
- Do not drive the car anywhere, not even a short stretch up Longhill Avenue.
- Emptying that tank yourself by the road isn't worth trying.
On a forecourt in Doonfoot, whether it is the BP or another one, ask the staff to help you push your car away from the pump. Stopped on your own driveway? Then it stays exactly as it is.
AdBlue in a diesel tank: what it does
AdBlue is made for the exhaust, not your engine. Stored in a separate tank, it is squirted into the exhaust to treat the fumes. Nothing in it is meant to pass through a fuel pump, and nothing in a fuel pump is built to handle it.
It doesn't blend. Once it's tipped into the tank, AdBlue acts not at all like fuel. It's heavier than diesel, and so it sinks and collects at the bottom of the tank, which is where the pickup draws fuel from. The first thing your fuel system pulls through, once it runs, is the AdBlue. So a motor that had AdBlue poured in on a drive in Rozelle last night, and has not been started since, is still the straightforward case: the AdBlue is lying at the bottom of that tank, and nothing has pulled it in.
From there it causes two kinds of harm. Crystals and corrosion. As the water dries, it leaves urea that hardens in filter elements and tiny channels; meanwhile, because it eats at certain metals, every part it touches suffers for as long as it stays in there. By daybreak, a vehicle sitting around Doonfoot with AdBlue through its pipework grows worse; where it's just in your tank, it doesn't. Diesel protects the injection pump and each injector as it passes; water offers none of that, and that is a second kind of damage.
Why is AdBlue in a diesel regularly the bigger fault?
Fill a diesel with petrol by mistake over at the Morrisons, and the problem is diluted fuel. It mixes with the diesel, and whilst it's in the tank it does no harm; the harm comes from running the engine on it.
AdBlue in a diesel is a different matter: not thin fuel, yet no fuel at all. Not burning, it can't just be run through. Deposits and corrosion stay after the next fill, and AdBlue splits again out of your diesel, and so thinning it can't help. Hence the flush counts so much, and turning the key "to see" costs more here than nearly any other mistake — in Laigh Glengall or the centre of Doonfoot equally.
With AdBlue, the good news is no distinct from petrol. Not run? Then the AdBlue sits just in your tank, the simplest bit of the whole system to empty, anywhere the vehicle has stopped across South Ayrshire.
AdBlue in a diesel tank in Doonfoot: how it ends up there
In dim light, two caps side by side — the AdBlue one and the diesel one, now and then behind one flap — may look the same. No one means it; plenty of layouts invite it. Most of the time it occurs with a bottle bought on the way home and poured in on the drive, not at the forecourt.
A few familiar ways cover most cases. A warning light comes on during the school run, and the top-up happens in a hurry outside the local primary school. Someone pours the container in at home, right off Stonefield Park, as the day ends. Or a driver new to that flap tops up your car after dark, parked in the car park outside the pub in the village.
Hired motors, new cars, company motors, or the second car in a home with one of each: the least known cars get it the most. Same mistake, an identical first response — leave it switched off — wherever you happen to be around Doonfoot or the remainder of South Ayrshire.
Doonfoot: started your engine with AdBlue in the diesel tank?
The AdBlue has left your tank, then. It's been pulled through the fuel filter and the lines, and if your engine ran for any time, it has reached your high-pressure pump and the injectors.
Watch for rough running, exhaust smoke, falling power, lights on the dash, or a cut-out — returning from Cambusdoon Estate, perhaps, or part way across Doonfoot. Once safe, stop and switch it off — without restarting to see. Each start pulls more of it through.
On the M77, under 25 miles from Doonfoot, the next junction is where to leave, and somewhere safe is where to park — not carrying on.
Distance matters: each mile carries the AdBlue further into your system, so driving for Glasgow, under 50 miles away, makes a much bigger job than hopping across Doonfoot to the car park by Cambusdoon House. Tell us roughly how far it had come.
There's more to clean out once the engine has been run, and our technicians do all of it where your car has ended up. Permanent damage is very unusual if it's spotted quickly.
What draining AdBlue from a diesel involves in Doonfoot
A road by Alloway Auld Kirk, a driveway, a lay-by or a filling station: anywhere your car has come to rest around Doonfoot, our engineers come to it. The work rests on three replies, which our engineers ask for first — which fluid got in, the amount, and whether your engine has turned over.
Right there, your tank is then emptied, and all of the contaminated diesel and the urea come out as one. The fuel system is flushed thoroughly, which counts more with AdBlue than with petrol, since what it leaves behind doesn't rinse out on its own. The fuel filter is cleaned, or replaced where it needs to be; clean diesel goes in; and your car is tested. Most of these jobs are a half-hour job once we arrive, provided the motor has not run. Low-noise enough to use outside a house at night, and safe on a working forecourt, our pumps are explosion-proof.
Clean diesel goes in to bleed the fuel system, and that is the last step. Whether it is a parking space outside Ayr or a drive in Doonfoot, that is where our engineers start it and you head off. It's tested on clean diesel to confirm it runs smoothly before we head off. As the job is done in its entirety where the car is, a garage never comes into it. Your insurer will want an engineer's report and the VAT invoice — both yours once this job is done.
About Doonfoot and where it is
Doonfoot is a coastal suburban area in South Ayrshire, situated near the towns of Alloway and Ayr. Doonfoot has a mix of housing types, but is predominantly characterised by detached homes. Doonfoot sits at a low elevation of around 20 metres, close to the sea and near the Belleisle and Seafield areas. Doonfoot is located approximately 34 miles from Glasgow, Scotland's largest city.
Doonfoot and South Ayrshire: AdBlue drains across the area
Throughout the KA postcode area, the teams taking AdBlue call-outs in Doonfoot serve much of South Ayrshire as well, Belleisle, Alloway and Seafield included. Near a boundary, or anywhere awkward to pin down? Asking beats guessing, and so ring.
Doonfoot is a residential suburb, and a call-out drain suits it: whether the vehicle is on a home drive, a residential street, a car park or a forecourt, we drain it where it stands, and so it never needs to be shifted to us.
What AdBlue in a diesel tank costs to put right around Doonfoot
There's no fair single price, because the jobs are not the same. The price changes first with how long, if at all, the motor has been running, and next with the amount of AdBlue that got in. After that it turns on where the vehicle is and whether a van can reach it safely, which is easier on an open driveway than in a tight space behind Monument to a Mouse.
With that in mind, every enquiry from Doonfoot begins by asking the same trio — what was put in, how much, if the engine ran — before any quote. Those answers turn a range into a straight price.
You hear that price by phone, before anybody heads out, and you pay on the day, by card or by phone, with nothing upfront. Misfuelling cover comes with plenty of insurance policies, so it is worth looking at yours before the van arrives.
Next to the vehicle in Doonfoot, still?
Not touching your car is, then, the best thing open to you. Ignition off, engine off, keys out. Say it was AdBlue, about what quantity, and if the engine ran, on 0333 366 0103. After that Petrol in Diesel takes over, in Doonfoot or wherever within South Ayrshire.