Tarves: AdBlue in the Diesel Tank? Leave It Off
If AdBlue has got into your diesel tank, keep the engine off then keep the ignition off. In plain terms, AdBlue is just urea in water. It doesn't burn, it does not mix with diesel, and the harm it does starts when the system draws it in. In Tarves, AdBlue in a diesel tank found before your engine runs usually comes down to a drain and a thorough flush, just where your car is. Ring 0333 366 0103 before you do anything else.
Those opening minutes: AdBlue in your diesel tank around Tarves
Things to do:
- Pocket your keys, and that stops anyone turning the power on.
- Close to moving traffic? So put the hazard lights on.
- Which fluid, and roughly how much quantity? Save the bottle or the receipt, and we will see.
- Tell us a postcode starting AB41 7, or whatever street is nearest, and our van reaches you directly — so ring from wherever you stand.
Things not to do:
- Moving the vehicle just a few yards is no reason to start your engine.
- Do not switch the ignition on. On many diesels that alone runs the fuel pump.
- Do not top up with diesel to thin it. AdBlue does not dilute in diesel; it separates out.
- Any driving at all is best avoided, even a short way up Haddo Lane.
- No emptying it yourself, at all, on the roadside.
On a forecourt around Tarves, whether it's the Meldrum Motors or another one, ask the attendants to help you push the car away from the petrol pump. Parked on your own driveway? Then it stays exactly as it is.
What does AdBlue do in a diesel tank?
Not your engine but the exhaust is where AdBlue is meant to go. Its own tank keeps it, and from there it's sprayed into your exhaust, where it treats the fumes. Nothing in it is supposed to pass through a fuel pump, and nothing in a fuel pump is made to handle it.
It doesn't combine. Once it is tipped into a tank of diesel, AdBlue acts not at all like diesel. The pickup sucks fuel from the lowest part of the tank, and that is exactly where AdBlue ends up: as it is heavier than diesel, it sinks. A motor topped up on a drive in Ythsie yesterday evening and left unstarted is the straightforward one. No pump has sucked the AdBlue up yet — but once your motor runs, that is what is pulled first, directly from the bottom of the tank.
Once it is sucked in, the damage takes two forms. As its water goes, the urea left behind crystallises, and the crystals block filters and settle in fine passages. And it's corrosive to some of the metals a fuel system is made from, and so it keeps working on the parts it reaches for as long as it stays there. A vehicle left sitting in Tarves with AdBlue already in its lines is worse by the morning; one with AdBlue just in its tank is not. And there's the water: it brings no protection to the components that need it most — the high-pressure pump and each injector.
AdBlue in a diesel: why it is frequently worse than petrol
A fault of thinned fuel is what you get after filling a diesel with petrol from the another forecourt nearby. Blended through your diesel and sitting still, it is no threat at that stage; running your engine is the harm.
With AdBlue in a diesel, the fluid as such is plainly the wrong one. It does not burn, and so it can't just be run through. It does not stay mixed, so it can't be weakened. And crystals and corrosion do not wash out with the next tank of fuel. That is why the flush counts more with AdBlue than with petrol, and why starting the engine "to see" costs more here than almost anywhere else, whether your car is in Wedderlairs or the middle of Tarves.
With AdBlue, the good news is no separate from petrol. Not started? Then the AdBlue waits only in that tank, the simplest bit of the entire system to clear, wherever the vehicle has come to rest around Aberdeenshire.
How does AdBlue end up in a diesel tank in Tarves?
It is not deliberate. Plenty of cars have the AdBlue cap alongside the diesel one, now and then behind a single flap, and mixing them up is simple after dark. Most of the time it occurs with a bottle bought on the way home and poured in on the driveway, not at the pump.
Usually, it occurs in one of a couple of familiar ways. Midway through the drop-off, the dashboard flags it up, and outside the local primary school the refill is rushed. After work, a container is tipped in on a driveway close to The Square. Or someone new to that flap refills the vehicle after dark, parked in the car park by the pub in the village.
It crops up the most in a rental, a new car, a company motor, or the spare motor of a family with both fuels — the vehicles people know the least. Wherever around Aberdeenshire, Tarves as well, the slip doesn't change, and nor does the first response: keep it off.
Started your engine with AdBlue in your diesel tank around Tarves?
In that case, the AdBlue is no longer inside that tank. Through your filter, through the lines, and — with any running time — into the injection pump and every injector: that is where it travels.
You may see the engine running unevenly, smoking, losing power, showing warning lights or cutting out, maybe on the way back from Logie Wood or halfway across Tarves. Stop as soon as it is safe, switch off, and do not restart the car to check. Each start pulls more of that through.
On the M90, over 50 miles from Tarves, the first junction is where to leave, and somewhere safe is where to stop — not driving on.
A quick hop across Tarves to the car park by Tarves Heritage Project is one thing; heading for Aberdeen, under 25 miles away, is another, since each mile carries the AdBlue deeper in. So distance counts. Roughly how far had it come? Tell us.
We do all of the rinsing where your car has ended up, and once the engine has been started there is more of it. Long-term damage is very rare if it's spotted soon.
What does an AdBlue drain on a diesel involve in Tarves?
A road beside Tarves War Memorial, a drive, a layby or a filling station: wherever the car has stopped in Tarves, we come to it. The work rests on three replies, which we get first — which fluid got in, the amount, and whether the motor has turned over.
Next, emptying the tank right there removes the contaminated diesel and the AdBlue in one go. A careful flush matters far more with AdBlue than after petrol, because what remains won't clear out by itself. Fresh diesel goes in once your filter is cleaned — or swapped, if it needs to be — and then your vehicle is tested. About half an hour on site is typical for most jobs where the motor hasn't run. Our equipment is explosion-proof, so a busy forecourt is no fault, and it's hushed enough for a residential street late at night.
The final step is to prime the system on clean diesel. Whether it's a parking bay at Inverurie or a drive in Tarves, that is where our engineers start it and you drive off. Our technicians make sure it runs smoothly on new diesel before we go. Our engineers do it all wherever the car has stopped, and it never has to go to a garage. Afterwards, there is the paperwork for the insurer: a VAT invoice and a written report from the engineer.
About Tarves itself
Tarves is a village in Aberdeenshire, situated on the banks of the River Ythan at an elevation of 89 metres. Tarves lies approximately 16 miles west of Aberdeen and is characterised by its predominantly detached housing stock. Tarves is surrounded by rolling countryside and nearby settlements such as Youlieburn and Nethermill of Tillyhilt. Tarves has a population of around 923 residents.
AdBlue drains across Aberdeenshire, Tarves included
Throughout the AB postcode area, the teams taking AdBlue jobs around Tarves reach much of Aberdeenshire too, Youlieburn, Nethermill of Tillyhilt and Thornroan included. Ring and ask rather than guess when you are by a county line, or anywhere awkward to explain.
Anywhere your car stands — a drive at home, a side street, a car park, a forecourt — our engineers empty it there, with no need to take it to us; that suits Tarves, a village, well.
What AdBlue in a diesel tank costs to put right around Tarves
There's no fair single price, since the jobs are not the same. The price changes first with how long, if at all, your engine has been running, and next with the amount of AdBlue that was put in. After that it rests on where the car is and whether a technician can reach it safely, which is simpler on an open drive than in a tight space behind Tarves Parish Church.
Before a figure, never after, every call from Tarves begins with the same three checks: the fuel, the amount, plus whether it ran. Once they are known, a range becomes one fixed number.
Before anyone sets off, you are told the price on the phone. Then you pay on the day, card or by phone, with nothing upfront. Many insurance policies include misfuelling cover, so it's worth checking yours whilst we are on the way.
Tarves: still alongside the vehicle?
In that case, do nothing — that is the most helpful move there is. Keys out, engine off, ignition off. Ring 0333 366 0103: AdBlue, roughly how much, and whether the engine ran are everything our technicians need. Petrol in Diesel handles the remainder across Aberdeenshire, Tarves too.