AdBlue in the Diesel Tank in Trevarth Estate? Keep It Switched Off
With AdBlue in the diesel tank, the ignition stays off and so does your engine. Water with urea dissolved in it: that's AdBlue. The harm starts once it is sucked through your lines — it won't ignite, and it won't combine with diesel. Caught before the motor has run, AdBlue in a diesel tank is usually a drain and a thorough flush, done where the vehicle is in Trevarth Estate. No step comes before ringing 0333 366 0103.
Those opening minutes: AdBlue in the diesel tank around Trevarth Estate
Do:
- So nobody can turn the ignition on, pull your keys out.
- Close to moving traffic? So put the hazard lights on.
- Which product, and about what volume? Save the bottle or the till receipt, and we can see.
- The van locates you fastest with a postcode starting PL26 6, or just the name of a street close by, so phone from the car.
Things not to do:
- No starting your motor — not briefly, not to reposition your vehicle.
- Do not switch the ignition on. On many diesels that alone runs the fuel pump.
- AdBlue doesn't mix in diesel — it separates out — so adding more fuel will not weaken it.
- Do not drive the car anywhere, not even a short stretch up Tregoney Hill.
- Do not try to drain the car yourself at the roadside.
Get the attendants to help you move the vehicle away from the island if you are at a forecourt in Trevarth Estate, whether it is the EG On the Go or somewhere else. If you're on your own drive, leave the car exactly where it sits.
AdBlue in a diesel tank, and what it does there
The engine is not what AdBlue is made for; the exhaust is. From a separate tank it is fed directly to the exhaust, treating what the motor emits. A fuel pump isn't made to take it, and AdBlue was never intended to travel through one.
Tipped in with the diesel, it stays apart rather than mixing — quite unlike fuel. Heavier than diesel, it sinks and pools below it — the same place the intake sucks from. A car topped up on a driveway in Kestle yesterday evening and left unstarted counts as the simple one. Nothing has sucked the AdBlue up so far — but when your engine turns, that is what goes first, directly from the bottom of your tank.
From there it causes two kinds of damage. 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 working on the parts it reaches for as long as it stays there. Lines holding AdBlue mean damage by morning for a car sitting in Trevarth Estate. Just inside that tank, it stays the same. Water lubricates nothing. The injection pump and every injector depend on diesel flowing through them, and so the water part damages them in its own right.
Petrol or AdBlue in a diesel: why AdBlue is often worse
Petrol put into a diesel on Texaco's forecourt makes your fuel thin — that is the whole problem. No harm is done while it sits put, blended into the diesel — only once the motor runs on it.
The issue with AdBlue in a diesel is a completely unsuitable liquid. It cannot simply be run through, because it doesn't burn. Nor can it be thinned, because it separates back out — and the following tankful will not clear away deposits or corrosion. So the flush counts more with AdBlue, and trying your engine "to see", in the heart of Trevarth Estate or out in Pentewan, does more harm than nearly any other mistake.
The good news is the same as with petrol. Emptying a tank is the easiest job on any fuel system, and with no running, the AdBlue stays in it — wherever across Cornwall your vehicle sits.
Trevarth Estate: how AdBlue ends up in a diesel tank
Nobody means to do it. The AdBlue filler on many vehicles sits right next to your diesel filler, sometimes under the same flap, and the two caps can look alike in poor light. Mostly it's never the filling station: someone buys a container driving home and pours it in outside the house.
The ways it happens are few and familiar. Midway through the drop-off, the dashboard flags it up, and outside Mevagissey Community Primary School the top-up is rushed. Near Chapel Square, someone tips a container in on the drive in the evening. Or someone new to that flap tops up the vehicle after dark, stopped in the car park outside The Ship Inn.
It occurs most in the motors people know least: a hire car, a new car, a company car, or the second vehicle of a household with one diesel and one petrol. An identical mistake, same first response — keep it switched off — wherever you happen to be in Trevarth Estate or the remainder of Cornwall.
Trevarth Estate: started the engine with AdBlue in your diesel tank?
If so, the AdBlue is no longer in the tank. With any running, it travels to the injection pump and every injector, having passed via your filter and pipework.
Watch for lumpy running, exhaust smoke, falling power, lights on the dash, or a stall — coming back from Cliff Park, perhaps, or midway across Trevarth Estate. Once safe, pull over and switch everything off — with no restarting to see. With each start, more of it is pulled through.
Trevarth Estate sits over 50 miles from the M5; if you were on it, leave by the first junction and pull up somewhere safe instead of driving on.
How far it went matters. A few hundred yards across Trevarth Estate to the car park by World of Model Railways is a very different job from a run towards Truro, under 15 miles away, with the AdBlue reaching further into the fuel system with each mile. Roughly how far had it come? Tell us.
Wherever the car came to a stop is where all of it gets done, even with more to rinse out once the engine has been run. Lasting damage is very unusual when it's caught soon.
Trevarth Estate: how AdBlue is drained from a diesel
Our technicians come to your car, wherever it has stopped around Trevarth Estate: a side street near St Andrew's Church, a drive, a lay-by or a forecourt. The job depends on three answers, and we ask for before all else — which fluid went in, the quantity, and whether the engine has run.
Then your tank is drained where the car stands, and so the contaminated fuel and the AdBlue come out together. Residue from AdBlue will not wash out by itself, so the fuel system gets a careful flush, which counts much more with urea than with petrol. After that, your filter: cleaned, or changed if it must be. Then fresh diesel, and then a test of the car. If the motor hasn't run, the majority of jobs take about half an hour once we are there. Explosion-proof pumps mean a live forecourt safe to work on, and they run quiet enough not to disturb the street at night.
The last step is to bleed the fuel system on clean diesel. Whether it's a parking bay by St Austell or a drive around Trevarth Estate, that is where our engineers fire it up and you head off. The test before our engineers leave is that it runs properly on new diesel. The entire job is done where the car is, so it never has to be taken to a garage. You get a VAT invoice and an engineer report later, which is what insurers ask for.
About Trevarth Estate and where it is
Trevarth Estate is a coastal suburban area in Cornwall, situated near the towns of Mevagissey and Portmellon, with Tregiskey also in the vicinity. Trevarth Estate has a population of around 1917 people and is characterised by predominantly detached housing. Trevarth Estate is located close to the city of Truro, which is approximately 11.5 miles away. Trevarth Estate sits at a low elevation of around 4 metres above sea level, reflecting its coastal setting.
AdBlue drains across Trevarth Estate and Cornwall
AdBlue jobs around Trevarth Estate are passed to vans that cover the towns around it — Mevagissey, Portmellon plus Tregiskey — and most of Cornwall beyond, across PL postcodes. If you're near a border, or somewhere hard to describe, ring and ask instead of assuming.
A van that comes to you suits Trevarth Estate, a residential suburb: there's no need to bring your car to us, since we empty it there, on a drive, a residential street, a parking area or a filling station.
Trevarth Estate: what AdBlue in a diesel tank costs to fix
Each job is different, and so not one fixed price would be fair. Whether the motor has been running, and for how long, comes first in what changes the price. How much AdBlue went in comes next, and then the position of the vehicle, since an open driveway is easier for a van to get to safely than a tight gap behind Mevagissey Jubilee Hall.
That is why each call from Trevarth Estate starts with the same three queries, asked before giving a figure, not after: what went in, how much, and whether it's run. Their answers narrow the range right down to one number.
You get that price by phone, before anybody heads out, and you pay on the day, by card or by phone, with nothing upfront. Many insurance policies include misfuelling cover, and so it's worth checking yours while we're on the way.
In Trevarth Estate and still alongside the car?
Leaving the vehicle alone is, then, the best thing open to you. Keys out, engine off, ignition off. Call 0333 366 0103 and tell us it is AdBlue, about how much, and whether it has run. Petrol in Diesel takes it from there, around Trevarth Estate or anywhere in Cornwall.