AdBlue in a Diesel Tank in Grampound? Don't Start It
With AdBlue in the diesel tank, the ignition stays off and so does the motor. In plain terms, AdBlue is just urea in water. Being water-based, it will not burn and never combines with diesel; trouble only comes when the pump starts pulling it. Caught before your engine has been run, AdBlue in a diesel tank is generally a drain and a thorough flush, done where your car is in Grampound. No step comes before ringing 0333 366 0103.
What to do straight away, Grampound: AdBlue in the diesel tank
To do:
- Take your keys out, so no one switches your ignition on.
- If you are at all near moving traffic, put the hazard lights on.
- The empty bottle or your receipt shows us the product and the amount, so do not throw it away.
- Ring us from where you are. A postcode starting TR2 4, or the name of the nearest street, gets our van to you without a search.
Not to do:
- No starting your motor — not briefly, not to reposition your car.
- The ignition remains off: on many diesels, turning it on is enough to start your fuel pump.
- Don't top up with diesel to thin it. AdBlue doesn't dilute in diesel; it separates out.
- Even a short stretch along Tybesta is too far to drive the vehicle.
- Beside the road, do not try emptying it yourself.
Moving the car off the island is a job for attendants to help with, wherever Grampound forecourt you're on, the Gulf or any other. Stopped on your own driveway? Then it stays exactly as it is.
What does AdBlue do in a diesel tank?
Not the motor but the exhaust is where AdBlue belongs. Stored in a separate tank, it's squirted into the exhaust to treat the fumes. Nothing inside an injection pump is designed for this fluid — and no part of it was meant to travel through one.
Inside a diesel tank it behaves very differently from fuel. It does not mix in. Heavier than diesel, it drops and pools underneath it — the same spot the intake draws from. Easiest of all: one that had AdBlue in Hewas Water last night and hasn't turned since. The liquid waits at the base of that tank, undrawn — though it will be the first thing through once your motor starts, ahead of any diesel at all.
After it is sucked in, the harm 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 labouring on the components it reaches for as long as it stays there. If the AdBlue has reached the pipework, waiting till morning in Grampound makes things worse. In the tank only, waiting does nothing. The water in it causes damage of its own: the high-pressure fuel pump and your injectors depend on diesel to lubricate them, and water offers them nothing.
Petrol or AdBlue in a diesel: why AdBlue is regularly worse
Put petrol in a diesel at the another forecourt nearby and you have a problem of thin fuel. Blended into the diesel and left unused, it is no threat for now; running the motor does the damage.
AdBlue in a diesel is an issue of the wrong substance altogether. It does not burn, so it cannot just be run through. Nor can it be watered down, since it separates back out — and the next tankful will not clear away crystals or corrosion. So the flush matters more with AdBlue, and trying the engine "to see", in the centre of Grampound or out in Coombe, does more harm than almost any other error.
As with petrol, there is good news. If the motor has not run, the AdBlue is still inside that tank, and that tank is the quickest part of a fuel system to clear, wherever around Cornwall the car is sitting.
Grampound: how AdBlue ends up in a diesel tank
Many cars place the AdBlue cap alongside the diesel cap, occasionally behind one flap, and after dark the two may look the same. No one means it. Mostly it's never the filling station: a driver buys a container driving home and tips it in at home.
It tends to happen in a few familiar ways. The refill is rushed outside Grampound-With-Creed CofE Primary School, because the dash lit up with a warning as the kids were taken off. A driver tips the bottle in outside their house, right off Pepo Lane, as the day ends. Otherwise, in dim light by The Dolphin Inn, your vehicle gets topped up by a driver opening that flap the first time.
It comes up the most in a rental, a brand-new car, a fleet car, or the spare motor in a family with both fuels — the vehicles people use least. Wherever you're around Grampound or the remainder of Cornwall, it's the same mistake and the same first answer: leave it off.
Started your engine with AdBlue in your diesel tank around Grampound?
Then the AdBlue has left the tank. It's been drawn through the filter and the fuel lines, and if the motor ran for any time, it has got to the high-pressure fuel pump and the injectors.
You may notice your engine running unevenly, smoking, losing power, showing warning lights or cutting out, maybe on the way back from Tannery Field or halfway across Grampound. Once you safely can, stop then turn it off — without restarting to test. Each start pulls more of it through.
Leave the M5, over 50 miles from Grampound, by the first junction and stop safely, rather than driving on.
Distance matters: each mile pushes the AdBlue further in, so heading towards Truro, under 10 miles away, makes a much bigger job than hopping across Grampound to the car park by St Nun's. Let us know roughly how far it had come.
There is more to rinse out once the motor has run, and our technicians do all of it where your car has come to a stop. Lasting damage is very rare if it is spotted quickly.
What emptying AdBlue from a diesel involves around Grampound
A road beside Market Cross, a driveway, a layby or a filling station: wherever your car has come to rest around Grampound, our engineers travel to it. Which fluid went in, about how much, and if the engine has been run: we check first, since those shape the job.
Right there, that tank is then drained, and all of the polluted diesel and the urea come out at once. A full flush matters far more with AdBlue than after petrol, because residue won't wash out on its own. After that, the filter: cleaned, or replaced if it must be. Then clean diesel, and then a test of the car. Engine not run? Then expect roughly half an hour once we are there for most jobs. Our pumping gear is explosion-proof, so a live filling station is no problem, and it's quiet enough for a residential street late at night.
Lastly, the system is primed with new diesel. After that our technicians start the car and you drive off, whether from a parking bay at St Austell or a driveway around Grampound. Before we go, our engineers make sure it is running properly with fresh diesel in. Because the job is done in its entirety where the car is, a workshop never comes into it. You get a VAT invoice and an engineer report after that, which is what insurers ask for.
About Grampound
Grampound is a village in Cornwall, situated on the banks of the River Fal, approximately 36 metres above sea level. Grampound lies near the villages of Creed and Grampound Road, and is close to the city of Truro, which is about 7 miles away. Grampound has a population of around 687 people, predominantly living in detached houses, and is located in a scenic area with nearby settlements like Parkengear.
AdBlue drains around Grampound and across Cornwall
Throughout the TR postcode area, the teams taking AdBlue jobs around Grampound serve most of Cornwall as well, Creed, Grampound Road and Parkengear included. Ring and check instead of guessing when you're by a border, or somewhere tricky to pin down.
No moving is needed. In Grampound, a village, a van that comes to you fits: your vehicle is drained where it stands, whether on a driveway, a residential street, a car park or a filling station.
AdBlue in a diesel tank in Grampound: the cost of fixing it
Every job is different, so not one single quote is honest. The price moves first with how long, if at all, your engine has been running, and next with the amount of AdBlue that got in. After that it depends on where the vehicle is and whether a van can reach it safely, which is easier on an open drive than in a tight gap behind Grampound Town Hall.
That is why every call from Grampound starts with the same three questions, asked before giving a figure, not after: what got in, how much, and whether it has run. Their answers narrow a range down to one figure.
Priced on the call before the van sets out, the job is settled that day — card or phone, no deposit. Plenty of insurance policies include misfuelling cover, so it's worth checking yours whilst we are on the way.
Still next to the vehicle in Grampound?
Then the most useful thing you can do is nothing to the vehicle. Motor off, keys out, ignition off. Call 0333 366 0103: AdBlue, the amount, plus whether it ran is all our engineers ask. Petrol in Diesel takes over the remainder throughout Cornwall, Grampound too.