AdBlue in the Diesel Tank in Streatham Park? Keep It Switched Off
Motor off, ignition off: that's where you begin if AdBlue has got into your diesel tank. Water with urea mixed in it: that is AdBlue. Not like fuel, it neither ignites nor mixes, and nothing starts until the engine pulls it round. If the engine hasn't run yet, AdBlue in a diesel tank is normally emptied and thoroughly rinsed where your car sits around Streatham Park. No step comes before calling 0333 366 0103.
Your next steps straight away, Streatham Park: AdBlue in the diesel tank
To do:
- Keys out — then nobody can switch anything on.
- Hazards on, if moving traffic is anywhere close.
- Which product, and about how much quantity? Save the bottle or the receipt, and our technicians will know.
- Ring just where you are. Say a SW16 1 postcode or the closest street name, and no one has to search for you.
Not to do:
- No starting your engine — not for a second, not to shift the car.
- Plenty of diesels run their pump the instant your ignition comes on, so leave the car off.
- Don't top up with diesel to thin it. AdBlue does not dilute in diesel; it separates out.
- Any driving at all is best avoided, even a short stretch down Thrale Road.
- Do not try to drain the vehicle yourself at the roadside.
The attendants on duty at any Streatham Park forecourt — the Applegreen among them — will normally lend a hand rolling it clear if you ask. At your own driveway, do not touch it at all.
AdBlue in a diesel tank: what it does
AdBlue is made for your exhaust, not your motor. From a dedicated reservoir it goes straight to your exhaust, cleaning what your engine lets out. Neither side suits the other: urea doesn't belong in an injection pump, and an injection pump cannot take urea.
Fuel blends; AdBlue, after tipped in, won't. Its behaviour is nothing like fuel's. Heavier than diesel, it drops and pools underneath it — the same spot the pickup sucks from. Easiest of all: one that had AdBlue in Streatham Vale last night and has not turned since. The liquid sits at the foot of your tank, untouched — but it will be the first thing through if your engine runs, before any diesel at all.
It causes two kinds of damage from there. It eats at some metals used in fuel systems, working on whatever it reaches till it is cleared from the system. And when the water goes, the urea forms crystals that block filters and lodge in narrow channels. If the AdBlue has reached the pipework, leaving it overnight in Streatham Park leaves it worse. In your tank only, waiting costs nothing. And there's the water: it offers no lubrication to the parts that need it most — the high-pressure pump and each injector.
Why AdBlue in a diesel is frequently more serious than petrol
Fill a diesel with petrol in error over at the Tesco, and this problem is thinned fuel. Harm only comes from driving on it. Blended into the diesel and left inside that tank, it causes nothing.
With AdBlue in a diesel, the liquid as such is plainly the wrong one. It doesn't burn, so it can't just be run through. Whether your car is in Tooting or the heart of Streatham Park, turning it over "to see" costs more with AdBlue than nearly any other mistake, and the flush matters more. Why: it won't remain mixed, and so watering it down is impossible; and deposits and corrosion survive the next tankful.
As with petrol, there is good news. Emptying a tank is the simplest job on a fuel system, and without start-up, the AdBlue remains in it — wherever around Greater London your vehicle sits.
How does AdBlue end up in a diesel tank around Streatham Park?
In dim light, two caps together — the AdBlue one and the diesel one, occasionally under one flap — can look the same. Nobody intends it; many designs invite it. Mostly it is never the filling station: someone buys a bottle driving home and tips it in at home.
The ways it occurs are few and familiar. The top-up is hurried outside St Leonard's Church of England Primary School, because the dash lit up with a warning while the kids were dropped in. Someone pours the container in outside their house, just off Colwyn Close, as the day ends. Or your car is topped up in the car park at The Furzedown, in poor light, by someone who has never opened that flap before.
Hired cars, brand-new vehicles, fleet motors, or the second car in a family with both fuels: the least familiar vehicles see it the most. Wherever you are around Streatham Park or the rest of Greater London, it's the same error and the same first answer: leave the car off.
Already started the engine with AdBlue in your diesel tank around Streatham Park?
The AdBlue has left that tank, then. Given any running time, it travels to the high-pressure pump and every injector, after passing through the fuel filter and lines.
Lumpy running, smoke, lost power, dashboard warnings or stalling: any might show up, perhaps midway across Streatham Park or returning from Transition Town Tooting Garden. Stop as soon as it is safe, switch off, and don't restart the car to check. With each start, more of that is pulled through.
On the M4, under 10 miles from Streatham Park, the next junction is where to exit, and somewhere safe is where to stop — not carrying on.
How far it went counts. A couple of hundred yards across Streatham Park to the car park by Fayland Integrated Children's Centre is a very different job from a run towards Westminster, under 10 miles away, with the AdBlue reaching further into the fuel system with every mile. About how far it had come is worth telling us.
Wherever your car came to a stop is where all of it gets done, even with more to clean out once the motor has been run. When it's spotted early, long-term damage is very uncommon.
Draining AdBlue in a diesel in Streatham Park: what it takes
A street by Multi-Use Games Area, a driveway, a lay-by or a filling station: anywhere your vehicle has stopped around Streatham Park, our engineers travel to it. Before anything else our technicians ask what got in, roughly how much, and whether your engine has run, because those replies decide this work.
Then the tank is cleared where the vehicle waits, so the contaminated fuel and the AdBlue come out together. Residue from AdBlue won't wash out unaided, and so the whole system gets a careful flush, which counts far more here than with petrol. A test of the car follows last, after clean diesel is added and the fuel filter is flushed or, if needed, replaced. Not run? Then count on about half an hour on site for most jobs. Quiet enough to use outside a house at night, and fine on a busy forecourt, the pumps are explosion-proof.
New diesel goes in to bleed the system, and that is the last step. Whether it is a parking bay at Streatham or a driveway around Streatham Park, that is where our engineers fire it up and you set off. It is checked on fresh diesel to confirm it runs correctly before we go. No workshop is needed at any stage, with the entire job done then and there. You receive a VAT invoice and an engineer report later, which is what insurers ask for.
About Streatham Park
Streatham Park is a suburban area in south London, situated approximately 5.6 miles from central London and 5.2 miles from Westminster. Streatham Park sits at an elevation of around 35 metres, with its predominant housing stock consisting of flats. Streatham Park is located near several other notable areas, including Furzedown and Tooting Bec Common, and is part of the larger Streatham community.
AdBlue drains across Streatham Park and Greater London
AdBlue jobs around Streatham Park are passed to teams that cover the towns around it — Furzedown, Tooting Bec Common plus Streatham — and most of Greater London further out, throughout SW postcodes. Phone and check rather than guess when you're by a county line, or somewhere tricky to explain.
A mobile service fits Streatham Park, a residential suburb: you have no need to take the vehicle to us, since our technicians drain it on the spot, on a drive, a side street, a parking area or a forecourt.
AdBlue in a diesel tank around Streatham Park: the cost of fixing it
Because each jobs differ, a flat price would not be honest. Whether the engine has been running, and for how long, comes first in what shifts the cost. How much AdBlue was put in comes next, and then the position of the car, since an open drive is easier for a van to reach safely than a tight spot behind Parish Church of St Alban.
For that in mind, each call from Streatham Park opens by asking the identical trio — which fluid went in, what quantity, if the engine ran — ahead of any figure. Once those are answered, a range turns into one fixed number.
Our price is given during the call, before a van sets off; payment happens on the day, by card or over the phone, with nothing upfront. Misfuelling cover is part of many insurance policies, so it is worth looking at yours before the van gets there.
In Streatham Park and still next to the car?
Then, the most helpful thing to do with the vehicle is to not touch it. Keys out; engine and ignition off. Tell us it's AdBlue, roughly how big an amount, and whether it ran, on 0333 366 0103. From there Petrol in Diesel handles it, in Streatham Park or wherever in Greater London.