AdBlue in the Diesel Tank in Llanfairfechan? Keep It Switched Off
With AdBlue in your diesel tank, your ignition stays off and so does your motor. Chemically, AdBlue is simply urea in water. Not like fuel, it neither burns nor mixes, and nothing happens till your engine sucks it round. A drain and a thorough flush, done where the car is around Llanfairfechan, is generally what AdBlue in a diesel tank takes — if it is caught before the engine has been run. Before you do anything else, ring 0333 366 0103.
AdBlue in the diesel tank in Llanfairfechan: the first few minutes
To do:
- So nobody can switch your ignition on, take the keys out.
- Hazards on, if moving traffic is anywhere near.
- Which product, and about what amount? Hang on to the bottle or the till receipt, and our technicians will see.
- Our van finds you fastest with a postcode starting LL33 0, or just the name of a street nearby, and so call from the car.
Things not to do:
- Not even for a second, and not to shift your car: your engine stays off.
- Many diesels run their fuel pump the instant the ignition comes on, and so leave the vehicle off.
- AdBlue does not mix in diesel — it separates out — so adding more diesel will not thin it.
- Even a short way up Mill Road is too far to drive it.
- Beside the road, do not attempt draining it yourself.
Get the attendants to help you roll the vehicle away from the island if you're on a forecourt around Llanfairfechan, whether it's the Shell or somewhere else. At your own driveway, do not move it at all.
What AdBlue does in a diesel tank
Not the engine but the exhaust is where AdBlue is meant to go. It goes into its own tank and is sprayed into your exhaust gas to clean it. Nothing in an injection pump is made for this fluid — and none of it was intended to travel through one.
Inside a diesel tank it acts very differently from fuel. It doesn't mix in. Heavier than diesel, it drops and collects underneath it — the same spot the pickup sucks from. A motor filled on a driveway in Nant-y-Pandy yesterday evening and left unstarted counts as the straightforward case. Nothing has pulled the AdBlue up yet — but when your motor runs, that's what is pulled first, straight from the bottom of your tank.
After it's drawn 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 is corrosive to some of the metals a fuel system is made from, and so it keeps running on the parts it hits for as long as it stays there. Lines holding AdBlue spell damage overnight for a car sitting in Llanfairfechan. Only inside the tank, it stays stable. Diesel protects the injection pump and each injector as it flows; water gives no lubrication, which is a separate kind of damage.
AdBlue in a diesel: why it's commonly worse than petrol
Fill a diesel with petrol by mistake at the another forecourt nearby, and the issue is thinned fuel. It mixes with the diesel, and while it's in your tank it does no harm; the harm comes from running the engine on it.
The issue with AdBlue in a diesel is a completely unsuitable liquid. Not burning, it can't just be run through. Crystals and corrosion remain through the following tankful, and AdBlue splits again out of your diesel, and so thinning it won't work. That is why the flush counts more, and trying the engine "to see" does more harm here than nearly any other slip — in Garizim or the heart of Llanfairfechan alike.
The same good news applies as with petrol. Clearing a tank is the easiest part on a fuel system, and without start-up, the AdBlue stays in there — wherever around Conwy your car has stopped.
How AdBlue ends up in a diesel tank in Llanfairfechan
Plenty of cars place the AdBlue cap beside the diesel one, now and then under one flap, and after dark the two can look identical. No one intends it. It usually takes place at home, from a container grabbed en route home, rather than at the filling station.
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 top-up is hurried. A bottle is poured in at the end of the day on a drive just off Village Road. Or your car is topped up in the car park outside Llanfair Arms, in poor light, by someone who has never opened that flap before.
The least familiar cars see it most — hire cars, new ones, fleet ones, and the other car of a home with both fuel types. Same slip, an identical first response — leave it off — anywhere you are in Llanfairfechan or the rest of Conwy.
AdBlue in the diesel tank in Llanfairfechan, and the motor started?
In that case, the AdBlue is no longer in that tank. Via the filter, along the lines, and — with any running time — into the high-pressure pump and each injector: that's where it travels.
Expect lumpy running, smoke, falling power, warnings on your dash, or a stall — coming back from Llys-y-gwynt Covert, perhaps, or part way across Llanfairfechan. No starting it again to check: stop when it is safe, then switch it off. Every start pulls more of that through.
If you were on the Moreton Spur, under 50 miles from Llanfairfechan, come off at the next exit and stop somewhere sensible rather than pressing on.
A quick hop across Llanfairfechan to the car park by Llanfairfechan Library is one matter; driving for Bangor, under 10 miles away, is something else, since each mile pushes the AdBlue further in. So distance matters. Roughly 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 the car has stopped. When it's caught quickly, long-term damage is very rare.
Llanfairfechan: how AdBlue is drained from a diesel
The car remains put, whether that is a road near St Mary of the Angels, a driveway, a layby or a forecourt around Llanfairfechan, and the van travels to it. Three replies shape the job, so first our engineers ask which fluid was put in, roughly the amount, and whether your motor has turned over.
Next, draining your tank on the spot removes the contaminated diesel along with the AdBlue in one go. The system is flushed thoroughly, which counts more with AdBlue than with petrol, since what it leaves behind doesn't rinse out on its own. A test of your vehicle comes last, once clean diesel is added and the fuel filter gets cleaned or, where needed, replaced. Not run? In that case count on about half an hour once we are there for most jobs. Explosion-proof pumps mean a busy forecourt safe to work on, and they run quiet enough to spare the street at night.
The final step is to prime the system on fresh diesel. Whether it's a parking bay outside the nearest station or a drive around Llanfairfechan, that is where our engineers start the engine and you head off. It is tested on fresh diesel to confirm it runs properly before our engineers go. Our engineers do it all wherever the vehicle has ended up, and it never needs to be taken to a garage. Insurers ask for a VAT invoice and an engineer report, and both come afterwards.
About Llanfairfechan and where it is
Llanfairfechan is a coastal town in Conwy, Wales, situated at an elevation of 48 metres and looking out over the Irish Sea. Llanfairfechan has a mix of housing types, but semi-detached homes are particularly prevalent, and the town is close to nearby communities such as Pentre Uchaf and Penmaen Park. Llanfairfechan is located near the city of Bangor, which is approximately 6.6 miles away, and is about 202 miles from London. Llanfairfechan has a population of around 3547 people, according to recent estimates.
AdBlue drains around Llanfairfechan and across Conwy
AdBlue call-outs around Llanfairfechan go to vans that cover the towns near it — Pentre Uchaf, Nant-y-Felin as well as Penmaen Park — and much of Conwy further out, across LL postcodes. Phone and ask rather than guess if you are by a county line, or anywhere tricky to pin down.
A mobile service suits Llanfairfechan, a coastal town: there's no need to bring your car to us, since we empty it there, on a driveway, a side street, a car park or a filling station.
AdBlue in a diesel tank in Llanfairfechan: the cost of fixing it
Every job differs, and so not one single price would be honest. Three things shift the price: whether the motor has run and for how long, how much AdBlue was put in, and where your car is. That last one rests on whether a technician can get to it safely, and an open drive is simpler than a tight gap behind Llanfairfechan Community Hall.
That's why every call from Llanfairfechan starts with the same three queries, asked before giving a figure, not after: what got in, how much, and if it's run. Once those are answered, a range becomes a single fixed figure.
Before a van sets off, you hear our price by phone. And payment is on the day, by card or over the phone, with nothing in advance. Look at your insurance whilst we are on the way: many include misfuelling cover.
In Llanfairfechan and still next to the car?
Not touching your car is, right now, the most useful move you can do. Keys out; engine and ignition off. Phone 0333 366 0103: AdBlue, the amount, plus whether it ran is all we need. Petrol in Diesel takes over the rest across Conwy, Llanfairfechan too.