Don't Start It: AdBlue in a Diesel Tank in Ruislip Gardens
If AdBlue has gone into your diesel tank, leave your engine off and leave your ignition off. AdBlue is urea mixed in water. The trouble starts once it is sucked through the pump — it will not ignite, and it won't blend with diesel. If your motor has not run yet, AdBlue in a diesel tank is usually drained and carefully purged where the car stands in Ruislip Gardens. No step comes before ringing 0333 366 0103.
Your next steps straight away, Ruislip Gardens: AdBlue in your diesel tank
Things to do:
- Pocket your keys, and that stops someone turning the power on.
- If you are anywhere near moving traffic, put your hazards on.
- The empty bottle or the receipt tells us the product and the amount, so don't throw it away.
- Tell us a postcode starting HA4 6, or whichever street lies nearest, and our van finds you straight — so call from wherever you stand.
Things not to do:
- Not even for a second, and not to roll your car: your engine remains off.
- Many diesels run their fuel pump the instant the ignition goes on, so keep it off.
- AdBlue doesn't mix in diesel — it separates out — so adding extra fuel will not weaken it.
- Do not drive the car anywhere, not even a short stretch down Crosier Way.
- By the road, don't attempt draining it on your own.
On a forecourt in Ruislip Gardens, whether it is the Murco or another one, ask the attendants to help you roll the car clear of the petrol pump. Parked on your own driveway? Then it remains exactly where it is.
What AdBlue does in a diesel tank
The engine is not what AdBlue is made for; your exhaust is. Stored in a separate tank, it's injected into the exhaust stream to treat the gases. Neither side fits the other: urea doesn't belong in an injection pump, and a pump cannot deal with urea.
Fuel mixes; AdBlue, once poured in, will not. The behaviour is nothing like fuel's. Denser than diesel, it sinks and pools underneath it — the very spot the pickup draws from. Once your system runs, the AdBlue is top of the list to be pulled through. Until then it sits beneath your diesel, which is why a car topped up in Ickenham last night and never started remains the straightforward case, as long as no one touches the key.
It causes two kinds of damage from there. Crystals and corrosion. As the water evaporates, it strands urea that hardens in filter elements and narrow passages; meanwhile, since it eats at certain metals, every part it touches suffers for as long as it remains in there. Lines holding AdBlue spell harm by morning for a car sitting around Ruislip Gardens. Just inside your tank, it stays stable. Water protects nothing. The injection pump and each injector need diesel running past them, and so the water part damages them by itself.
Petrol or AdBlue in a diesel: why AdBlue is commonly worse
A problem of thin fuel is what you end up with after fuelling a diesel with petrol from the Gulf. No damage is done as long as it stays unused, blended into your diesel — only once your engine runs on it.
AdBlue in a diesel is another problem: not thin fuel, but no fuel at all. Since it doesn't burn, running it through isn't an option. Crystals and corrosion stay after the next tankful, and AdBlue separates back from the diesel, so thinning it can't help. That is why the flush counts more, and trying the engine "to see" costs more with AdBlue than nearly any other slip — in South Ruislip or the heart of Ruislip Gardens alike.
The same good news holds as with petrol. Clearing a tank is the easiest job on a fuel system, and with no start-up, the AdBlue stays in it — wherever in Greater London the vehicle has stopped.
Ruislip Gardens: how AdBlue ends up in a diesel tank
It's not deliberate. Many vehicles keep the AdBlue cap beside the diesel one, now and then under a single flap, and muddling them up is simple in poor light. Mostly it happens with a bottle bought on the way home and poured in on the driveway, not at the pump.
Usually, it happens in one of a few familiar ways. A warning light comes on during the school run, and the top-up happens in a hurry outside Sacred Heart Catholic Primary School. Near Westfield Way, someone pours a container in on that drive after work. Or your car is topped up in the car park at The Crock of Gold, in poor light, by somebody who has never opened that flap before.
It comes up most in a rental, a new motor, a company motor, or the spare car of a family with one of each fuel types — the vehicles drivers know the least. Wherever you're around Ruislip Gardens or the rest of Greater London, it is the same slip and the same first answer: leave it off.
Started your engine with AdBlue in your diesel tank around Ruislip Gardens?
The AdBlue has left the tank, then. The fuel filter and pipework have had it sucked through, and any running time takes it on to the injection pump and every injector.
Perhaps returning from New Pond Playing Fields, or midway across Ruislip Gardens, the motor might go lumpy, smoke, drop power, light up your dash or stall. No starting it again to test: stop once safe, then switch it off. Each start pulls more of that through.
Ruislip Gardens sits under 3 miles from the M40; if you were on it, leave by the first junction and pull up somewhere safe rather than driving on.
How far it went counts. A few hundred yards across Ruislip Gardens to the car park by Grosvenor Vale is a very different job from a run towards St Albans, under 15 miles away, with the AdBlue reaching further into the system with every mile. About how far it had come is worth telling us.
Wherever your car came to a halt is where all of it gets done, even with more to clean out once the engine has been started. Very rarely does it leave lasting damage if it is spotted soon.
Ruislip Gardens: how AdBlue is cleared from a diesel
We come to the vehicle, wherever it has stopped around Ruislip Gardens: a side street close to Woodford Hall, a drive, a lay-by or a forecourt. Which fluid got in, roughly how much, plus if your engine has turned over: our engineers check first, because those decide the job.
Next, draining your tank on the spot removes the contaminated diesel along with the AdBlue together. Your system is rinsed thoroughly, which matters 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; fresh diesel goes in; and the vehicle is tested. If your motor has not run, most jobs take about half an hour once our engineers are there. Low-noise enough for use outside a house at night, and fine on a busy forecourt, our pumps are explosion-proof.
The last step is to bleed the system on fresh diesel. At that point our technicians fire it up and you head off, whether from a parking space outside West Ruislip or a drive around Ruislip Gardens. Our engineers make sure it runs correctly on clean diesel before we leave. No garage is needed at any point, with the whole job done then and there. The insurer is likely to want an engineer's report and your VAT invoice — both yours afterwards.
About Ruislip Gardens itself
Ruislip Gardens is a locality in northwest London, situated approximately 13 miles from the city centre. Ruislip Gardens has a relatively low elevation of 42 metres and is characterised by semi-detached housing. Ruislip Gardens is close to nearby places such as Ruislip Manor, West Ruislip, and Ruislip, and is also near the city of St Albans. Ruislip Gardens has a population of around 3018 residents.
Ruislip Gardens and Greater London: AdBlue drains across the area
Our teams that answer AdBlue jobs around Ruislip Gardens also cover the locations round it, Ruislip Manor, West Ruislip and Ruislip among them, and most of Greater London beyond, across the HA postcode area. Ring and ask instead of guessing if you're by a border, or anywhere tricky to pin down.
No moving is needed. In Ruislip Gardens, a small village, a van that comes to you fits: the car is drained on the spot, be it in a drive, a side street, a parking area or a filling station.
AdBlue in a diesel tank in Ruislip Gardens: the cost of fixing it
Since the jobs vary, a flat price wouldn't be fair. What shifts the price is, first of all, whether your engine has been running and for how long; then how much AdBlue went in; and then where the vehicle is and whether a technician can reach it safely, which is easier on an open driveway than in a tight spot behind Saint Paul's Church Ruislip Manor.
That is why each call from Ruislip Gardens starts with the same three queries, asked before giving a figure, not after: what got in, how much, and if it's run. The answers turn a range into a straight price.
Our price is quoted during the call, before anyone leaves; settling up comes on the day, by card or by phone, with nothing upfront. Look at your insurance whilst we are on the way: many carry misfuelling cover.
Beside the vehicle in Ruislip Gardens, right now?
Then, touch nothing — that's the best move there is. Ignition off, engine off, keys out. Ring 0333 366 0103 and tell us it's AdBlue, roughly how much, and if it has run. Petrol in Diesel takes it from there, around Ruislip Gardens or anywhere around Greater London.