AdBlue in a Diesel Tank in Preston? Don't Start It
With AdBlue in your diesel tank, the ignition remains off and so does the motor. In plain terms, AdBlue is simply urea in water. The trouble starts once it is sucked through the lines — it will not burn, and it won't combine with diesel. Caught before the engine has been run, AdBlue in a diesel tank is usually a drain and a thorough flush, done where the vehicle is in Preston. Before anything, call us on 0333 366 0103.
Your next steps right now, Preston: AdBlue in your diesel tank
To do:
- Take your keys out, so no one switches the ignition on.
- Hazards on, if moving traffic is at all close.
- The empty bottle or the receipt shows us the product and the amount, and so don't bin it out.
- Ring right where you are. Quote a EH32 9 postcode or the nearest street name, and nobody has to search for you.
Not to do:
- Don't start the motor, even for a moment to shift the car.
- Switching the key to ignition by itself sets the pump going on plenty of diesels. Skip it.
- Don't top up with diesel to dilute it. AdBlue does not dilute in diesel; it separates out.
- Even a short distance down East Loan is too far to drive the car.
- No draining it yourself, either, on the roadside.
On a forecourt in Preston, whether it's the Thames or another one, ask the attendants to help you roll the vehicle clear of the petrol pump. Parked on your own drive? Then it stays exactly as it is.
What does AdBlue do in a diesel tank?
AdBlue is made for the exhaust, not your engine. Kept in a separate tank, it is injected into the exhaust to treat the fumes. Neither side suits the other: urea does not belong in a pump, and a pump cannot take urea.
Poured in with your diesel, it stays apart rather than mixing — entirely different from fuel. The pickup sucks fuel from the lowest part of that tank, and that's precisely where AdBlue ends up: being denser than diesel, it sinks. When the system runs, the AdBlue is first to be pulled through. Until then it waits underneath the diesel, and that is why a car filled in The Heugh last night and not started stays the straightforward case, provided nobody turns your key.
Two kinds of damage come from there. Crystals and corrosion. As the water evaporates, it strands urea that hardens in filters and narrow passages; meanwhile, since it eats at some metals, every part it reaches suffers for as long as it remains in there. Lines holding AdBlue spell harm by morning for a car parked in Preston. Only in the tank, it stays the same. The water in it causes harm of its own: the high-pressure pump and the fuel injectors rely on diesel to lubricate them, and water offers them nothing.
AdBlue in a diesel: why it is regularly worse than petrol
Top up a diesel with petrol in error over at the JET, and the problem is diluted fuel. Blended into your diesel and sitting unused, it is no threat for now; using your engine does the harm.
AdBlue in a diesel is a problem of the wrong substance altogether. It doesn't burn, so it cannot just be run through. Whether your car sits in Meadowmill or the centre of Preston, turning it over "to see" does more harm with AdBlue than almost any other mistake, and the flush matters for more. Why: it won't stay blended, so watering it down fails; and crystals and corrosion survive the next tankful.
The same good news applies as with petrol. Anywhere in East Lothian the vehicle has come to rest, an unrun motor means the AdBlue still in the tank: the simplest bit of a fuel system to empty.
Preston: how AdBlue ends up in a diesel tank
It is not on purpose. Plenty of vehicles keep the AdBlue inlet alongside the diesel one, occasionally under a single flap, and muddling them up is simple after dark. A container picked up when heading home and poured in outside the house, instead of at the forecourt, is the usual route.
The ways it happens are few and familiar. A warning light comes on during the school run, and the top-up occurs in a hurry outside the local primary school. Near Nimmo Avenue, a driver pours a container in at home in the evening. Or the vehicle is topped up in the car park outside The Railway Tavern, in poor light, by someone who has never opened that flap before.
Rented vehicles, new vehicles, company cars, or the spare vehicle in a home with one of each: the least familiar vehicles get it most. An identical slip, an identical first response — leave it switched off — wherever you are in Preston or the rest of East Lothian.
Preston: started the engine with AdBlue in the diesel tank?
The AdBlue has left the tank, then. Via your filter, through the lines, and — with any running — on to the high-pressure pump and each injector: that's how far it has gone.
Maybe coming back from Preston Tower Gardens, or part way across Preston, your motor might run rough, smoke, lose power, flash the dash or cut out. Once you safely can, pull over then turn everything off — without restarting to test. Each start pulls more of that through.
On the M8, under 15 miles from Preston, the first junction is where to leave, and anywhere safe is where to park — not carrying on.
Each mile carries the AdBlue deeper in. That is why crossing Preston to park beside Prestonpans Community Centre and a drive of under 10 miles towards Edinburgh are very distinct jobs. About how far it had come is worth telling us.
Wherever the vehicle came to a halt is where all of it gets done, even with more to flush once the engine has been started. Caught quickly, it very seldom leaves lasting damage.
What does an AdBlue drain on a diesel involve around Preston?
A street by Preston Tower, a driveway, a lay-by or a filling station: anywhere your vehicle has come to rest in Preston, we travel to it. Before anything else our engineers ask what went in, roughly how much, and if the engine has been run, since those answers determine this work.
The contaminated diesel and the urea come out together after the tank is drained, on the spot. With AdBlue, far more than with petrol, flushing counts: the whole system is cleaned all the way through since what remains won't flush away unaided. The filter is flushed, or replaced where it needs to be; clean diesel goes in; and the vehicle is tested. About half an hour on site is usual for most jobs where your engine has not run. Explosion-proof pumps mean a busy forecourt sensible to work on, and they're quiet enough not to disturb the street at night.
The last step is to bleed your system on clean diesel. Firing it up comes next, and then you head off from where your car is parked, at Prestonpans or on a drive around Preston. Before we leave, our technicians confirm it's running correctly with fresh diesel in. No garage is required at any stage, with the whole job done on the spot. At the end, you are given paperwork for the insurer: a VAT invoice and a written report from the engineer.
About Preston itself
Preston is a suburban area in East Lothian, situated on the coast of Scotland, with a relatively low elevation of 23 metres. Preston lies close to the Firth of Forth, near the towns of Prestonpans and the city of Edinburgh, which is approximately 8 miles away. Preston has a mix of housing types, but semi-detached homes are predominant in the area. Preston is part of the wider Edinburgh urban area, but retains its own distinct character.
AdBlue drains across Preston and East Lothian
Over the EH postcode area, the teams taking AdBlue jobs around Preston reach most of East Lothian as well, Prestonpans, Cuthill and Meadowmill Cottages among them. Ring and ask instead of guessing when you're by a county line, or somewhere awkward to explain.
Preston is a residential suburb, and an on-site drain suits it: whether the vehicle is on a home drive, a residential street, a car park or a forecourt, our engineers drain it where it sits, so it never needs to be shifted to us.
What does AdBlue in a diesel tank cost to sort out around Preston?
There's no fair single quote, because the jobs are not the same. What changes the cost is, firstly, whether the motor has been running and for how long; then how much AdBlue went in; and then where your car is and whether a van can reach it safely, which is easier on an open drive than in a tight spot behind Preston Cross.
Before any quote, not afterwards, each enquiry from Preston opens with the same three checks: the fuel, the amount, plus if it ran. Once they are answered, a range turns into a single fixed number.
You hear that quote on the phone, before anybody heads out, and you pay on the day, by card or by phone, with nothing upfront. Check your policy while we're on the way: many carry misfuelling cover.
Still next to the car in Preston?
Not touching your car is, right now, the best move you can do. Keys out; engine and ignition off. Phone 0333 366 0103 and tell us it is AdBlue, roughly how much, and if it has run. Petrol in Diesel takes it from there, in Preston or anywhere around East Lothian.