Don't Start It: AdBlue in a Diesel Tank in Rickmansworth
AdBlue in the diesel tank? Then leave the motor off — and the ignition as well. In plain terms, AdBlue is just urea in water. Unlike fuel, it neither burns nor mixes, and nothing happens till the motor sucks it through. A drain and a thorough flush, done where the car is in Rickmansworth, is normally what AdBlue in a diesel tank needs — if it is caught before the engine has run. Before you do anything else, call 0333 366 0103.
AdBlue in the diesel tank around Rickmansworth: the first few minutes
Things to do:
- Pocket the keys, and that stops anyone turning the power on.
- Put the hazard lights on if you are at all near moving traffic.
- Which product, and roughly how much volume? Hang on to the bottle or the receipt, and we will see.
- Ring right where you are. Quote a WD3 1 postcode or the closest street sign, and nobody has to search for you.
Don't do these:
- No starting your engine — not for a second, not to shift the car.
- The ignition stays off: on lots of diesels, turning it on is enough to run your fuel pump.
- No extra fuel on top. The AdBlue will not mix, so it is wasted.
- Any driving at all is best avoided, including a short way down Church Street.
- Emptying your tank on your own by the road is not one to try.
At a forecourt around Rickmansworth, whether it is the Esso or another one, ask the staff to help you roll the vehicle away from the pump. On your own drive, don't move it at all.
What does AdBlue do in a diesel tank?
Not the engine but your exhaust is where AdBlue is meant to go. From a dedicated reservoir it goes directly to the exhaust, treating what your motor lets out. Neither side fits the other: urea doesn't belong in an injection pump, and an injection pump can't take urea.
Fuel mixes; AdBlue, after tipped in, will not. Its behaviour is not at all like fuel's. It sinks, because it is heavier than diesel, and pools down where the pickup draws its supply from. Simplest of all: a vehicle that had AdBlue in Mill End last night and hasn't turned since. The liquid sits at the base of that tank, undrawn — but it will be first through if the motor runs, ahead of any diesel at all.
From there it does two kinds of harm. 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, so it keeps running on the parts it reaches for as long as it stays there. Lines holding AdBlue mean harm by morning for a vehicle parked in Rickmansworth. Just in the tank, it stays the same. Water protects nothing. The injection pump and each injector depend on diesel running through them, so the water content damages them in its own right.
Why AdBlue in a diesel is commonly more major than petrol
Top up a diesel with petrol by mistake over at the BP, and this problem is diluted fuel. Mixed into the diesel and sitting still, it is harmless for now; using your motor does the harm.
AdBlue in a diesel is a fault of the wrong substance altogether. It does not burn, and so it can't simply be run through. Nor can it be watered down, since it separates again — and the following fill will not rinse away deposits or corrosion. So the flush matters for more with AdBlue, and turning the key "to see", in the centre of Rickmansworth or out in Woodcock Hill, does more harm than almost any other slip.
The good news is the same as with petrol. If your engine hasn't run, the AdBlue is still in that tank, and the tank is the easiest part of a fuel system to clear, wherever in Hertfordshire your car is sitting.
How does AdBlue end up in a diesel tank in Rickmansworth?
In dim light, two caps together — the AdBlue one and the diesel cap, now and then behind one flap — may look the same. Nobody means it; plenty of layouts invite it. Mostly it takes place with a bottle bought on the way home and poured in on the driveway, not at the pump.
Usually, it takes place in one of a couple of familiar ways. Midway through the drop-off, the dashboard warns, and outside Rickmansworth Park Junior Mixed and Infant School the top-up is rushed. Someone pours the container in at home, just off Northway, as the day ends. Else, after dark outside The Pennsylvanian, the car gets topped up by a driver opening that flap for the first time.
The least known cars get it the most — rentals, new cars, fleet ones, and the spare car in a home with one of each fuel types. Keep it off: that is the first response to an identical slip, wherever in Rickmansworth or the rest of Hertfordshire you happen to be.
Rickmansworth: started your engine with AdBlue in your diesel tank?
Then the tank is no longer where the AdBlue is. Your filter and lines have had it pulled along, and any running time carries it on to the injection pump and every injector.
Lumpy running, smoke from the exhaust, dropping power, dashboard warnings or stalling: any might appear, maybe midway across Rickmansworth or returning from Rickmansworth Park. When you safely can, stop and turn it off — without turning it on again to see. More of it is pulled through with each start.
If you were on the M25, under 3 miles from Rickmansworth, come off at the next exit and stop somewhere safe rather than pressing on.
Mileage matters: each mile pushes the AdBlue deeper into your system, so driving towards St Albans, under 10 miles away, makes a much larger job than crossing Rickmansworth to the car park by Rickmansworth Library. Approximately how far had it come? Tell us.
There is more to flush once your engine has been started, and our technicians do all of it where the vehicle has ended up. Long-term damage is very rare if it is caught soon.
Draining AdBlue in a diesel in Rickmansworth: what it takes
The vehicle stays put, whether that's a street beside Watersmeet, a driveway, a lay-by or a forecourt around Rickmansworth, and the van travels to it. The job rests on three answers, which our technicians get first — what got in, the quantity, and if the motor has run.
The polluted diesel and the urea come out as one when that tank is drained, on the spot. Your system is flushed thoroughly, which counts more with AdBlue than with petrol, because what it leaves behind does not rinse out on its own. Your filter is flushed, or replaced where it needs to be; clean diesel goes in; and the vehicle is tested. Most of these jobs are a half-hour visit once our technicians get there, if your motor has not run. The pumping gear is explosion-proof, so a live forecourt is no issue, and it's quiet enough for a residential street after dark.
The last step is to bleed the system on clean diesel. After that we start the car and you head off, whether from a parking space at the nearest station or a driveway in Rickmansworth. Before leaving, our engineers check it's running properly with clean diesel in. The entire job is done where your car is, so it never needs to go to a garage. At the end, there is the paperwork for your insurer: a VAT invoice plus a written report from the engineer.
About Rickmansworth, for a moment
Rickmansworth is a town in Hertfordshire, situated on the lakeside of the Grand Union and Batchworth Lakes, with a mix of residential and commercial areas. Rickmansworth has a relatively low elevation of 51 metres and is located near several neighbouring communities, including Batchworth, Moneyhill, and Croxley Green. Rickmansworth is also close to the city of St Albans, approximately 9.6 miles away, and is about 17.2 miles from London. Rickmansworth has a population of around 9112 people, with a predominance of flat-type housing.
AdBlue drains across Rickmansworth and Hertfordshire
Batchworth, Moneyhill and Croxley Green are among the places around Rickmansworth that the same vans serve, together with much of Hertfordshire beyond, over the WD postcode area. If you are near a boundary, or somewhere hard to describe, ring and ask rather than assuming.
Wherever your vehicle sits — a driveway at home, a residential street, a parking area, a filling station — our technicians drain it on the spot, and there's no need to take it to us; that suits Rickmansworth, a town, well.
What AdBlue in a diesel tank costs to put right around Rickmansworth
Not one flat figure could be fair, since every job is different. What shifts the price is, firstly, whether your engine has run and for how long; then how much AdBlue was put in; and then where your car is and whether our van can reach it safely, which is simpler on an open drive than in a tight spot behind Three Rivers Distict Council Offices.
That's why every call from Rickmansworth starts with the same three queries, asked before giving a figure, not after: what was put in, how much, and whether it's run. Once those are answered, a range turns into one fixed number.
Before a van sets off, you hear our quote by phone. And you pay on the day, by card or by phone, with nothing upfront. While the van is on the way, check your policy: plenty cover misfuelling.
Still next to the vehicle around Rickmansworth?
Then, do nothing — that's the most helpful move available. Keys out; engine and ignition off. Phone 0333 366 0103: AdBlue, the amount, and if the engine ran are everything our engineers need. Petrol in Diesel takes over the remainder throughout Hertfordshire, Rickmansworth too.