Cross Town: AdBlue in the Diesel Tank? Leave It Off
Motor off, ignition off: that's where you start if AdBlue has gone into the diesel tank. AdBlue is urea dissolved in water. Being water-based, it will not ignite and won't blend with diesel; trouble only starts when the pump begins drawing it. If your motor hasn't run yet, AdBlue in a diesel tank is usually drained and thoroughly purged where your car sits in Cross Town. No step comes before ringing 0333 366 0103.
Your next steps right now, Cross Town: AdBlue in the diesel tank
Do:
- Pocket your keys, which prevents someone switching the electrics on.
- Put your hazards on if you're anywhere near moving traffic.
- So you can give us which fluid it was and roughly what quantity, keep the receipt or the empty bottle.
- Call just where you are. Quote a WA16 8 postcode or the closest street name, and nobody has to hunt for you.
Not to do:
- Shifting the car even a few yards is no reason to fire up the engine.
- Turning the key to ignition alone sets the pump going on plenty of diesels. Avoid it.
- No more fuel on top. The AdBlue won't blend, and so it's wasted.
- Even a short distance along Moordale Road is too far to drive the car.
- No draining it yourself, at all, at the roadside.
Get the people behind the counter to help you move the car off the island if you are on a forecourt in Cross Town, whether it is the Shell or elsewhere. Stopped on your own driveway? Then it remains just as it is.
AdBlue in a diesel tank: what it does
AdBlue is made for the exhaust, not your engine. From a dedicated reservoir it goes straight to the exhaust, treating what your motor lets out. Neither side fits the other: urea doesn't belong in an injection pump, and a pump can't take urea.
It does not combine. After it's poured into the tank, AdBlue acts not at all like fuel. It drops, since it is heavier than diesel, and pools low where the intake takes its supply from. Simplest of all: one that got AdBlue in Tabley Hill last night and has not turned since. The liquid sits at the foot of your tank, undrawn — but it will be first through once your motor runs, before any diesel at all.
It does two kinds of harm from there. As its water goes, the urea left behind crystallises, and the crystals block filters and settle in fine passages. And it's corrosive to some of the metals a fuel system is made from, and so it keeps running on the parts it gets to for as long as it remains there. A car left standing in Cross Town with AdBlue already in its lines is worse by the morning; one with AdBlue just in its tank isn't. Then there is the water: it offers no lubrication to the components that need it most — the injection pump and every injector.
AdBlue in a diesel: why it's regularly worse than petrol
A problem of thin fuel is what you end up with from fuelling a diesel with petrol at the Esso. Harm just comes from driving on it. Blended into your diesel and left in the tank, it does none.
AdBlue in a diesel is an issue of the wrong substance altogether. It doesn't burn, and so it cannot just be run through. Nor can it be thinned, because it separates again — and the following fill won't clear away deposits or corrosion. So the flush matters for more with AdBlue, and turning the key "to see", in the centre of Cross Town or out in Mobberley, does more harm than nearly any other mistake.
The good news is the same as with petrol. If the motor hasn't run, the AdBlue is still inside your tank, and that tank is the simplest part of a fuel system to clear, wherever in Cheshire the car is standing.
AdBlue in a diesel tank around Cross Town: how it ends up there
Plenty of motors put the AdBlue cap beside the diesel cap, now and then under one flap, and after dark the two may appear identical. No one means it. It mostly takes place outside the house, from a bottle grabbed en route home, rather than at the forecourt.
Usually, it happens in one of a few familiar ways. Halfway through the morning drop-off, the dashboard flags it up, and outside Manor Park Primary School and Nursery the refill is rushed. A driver tips the bottle in outside their house, just off Middle Walk, as the day ends. Else, after dark by Builders Arms, the car gets topped up by someone opening that flap for the first time.
Rented cars, brand-new cars, company motors, or the spare car in a home with both fuels: the least known cars see it most. Wherever you are in Cross Town or the rest of Cheshire, it's the same error and the same first answer: leave the vehicle off.
Cross Town: started the engine with AdBlue in the diesel tank?
If so, the AdBlue is no longer inside that tank. Your filter and lines have had it sucked through, and any running carries it on to the high-pressure pump and every injector.
Perhaps coming back from The Moor, or part way across Cross Town, your motor may run rough, smoke, drop power, flash your dash or stall. Once you safely can, pull over then turn everything off — without restarting to test. Every start pulls more of that through.
If you were on the Knutsford Services Southbound, under 3 miles from Cross Town, come off at the next junction and stop somewhere safe instead of pressing on.
Distance counts: every mile carries the AdBlue further in, so heading for Salford, under 15 miles away, gives a far bigger job than crossing Cross Town to the car park by St Cross. Roughly how far had it come? Tell us.
Wherever the car came to a halt is where all of it gets done, even with more to flush once the motor has been started. When it is spotted soon, long-term damage is very unusual.
What clearing AdBlue from a diesel involves around Cross Town
The car stays put, whether that is a street near Brook Street Chapel, a drive, a lay-by or a filling station around Cross Town, and the van travels to it. Before anything else we ask what was put in, about how much, and if your motor has run, since those answers settle the work.
The contaminated diesel and the urea leave together after the tank is emptied, right there. The system is cleaned thoroughly, which matters more with AdBlue than with petrol, since what it leaves behind doesn't rinse out on its own. The filter is cleaned, or replaced where it needs to be; fresh diesel goes in; and the vehicle is tested. Not run? Then count on roughly half an hour once we are there for most jobs. Quiet enough to use outside a house at night, and safe on a busy forecourt, the pumps are explosion-proof.
Priming the fuel system with clean diesel comes last. After that our technicians start the car and you set off, whether from a parking space by Knutsford or a drive around Cross Town. The check before we leave is that it runs properly on fresh diesel. As the job is done in its entirety where the vehicle is, a workshop never comes into it. Your insurer will want an engineer's report and your VAT invoice — each handed over once the job is done.
About Cross Town, briefly
Cross Town is a suburban area situated on the lakeside in Cheshire, with a mix of semi-detached housing and other residential properties. Cross Town has a population of around 4375 people and is located near Knutsford, Shaw Heath, and Over Knutsford. Cross Town sits at an elevation of 63 metres, providing views of the surrounding landscape. Cross Town is also within commuting distance of Salford, which is approximately 12.5 miles away.
AdBlue drains around Cross Town and across Cheshire
Throughout the WA postcode area, the vans taking AdBlue call-outs in Cross Town reach most of Cheshire as well, Knutsford, Shaw Heath and Over Knutsford included. Guessing doesn't help close to a county line or anywhere hard to describe; phone and check.
Anywhere your car stands — a driveway at home, a side street, a parking area, a forecourt — we empty it on the spot, with no need to take it to us; which suits Cross Town, a residential suburb, well.
Cross Town: what AdBlue in a diesel tank costs to fix
Not one single figure would be fair, because each job is different. What shifts the cost is, first, whether the engine has run and for how long; then how much AdBlue got in; and finally where your car is and whether a van can reach it safely, which is simpler on an open drive than in a tight spot behind St John's Church.
For that in mind, each call from Cross Town begins by asking the identical trio — which fluid was put in, how much, whether it ran — ahead of a figure. With those replies, a range shrinks to a single firm figure.
The quote is quoted on the call, before anyone leaves; payment comes on the day, by card or over the phone, and nothing upfront. Misfuelling cover is part of many insurance policies, so it is worth looking at yours before the van gets there.
Still beside your car in Cross Town?
Then the most helpful thing you can do is nothing to the vehicle. Ignition off, engine off, keys out. Say it was AdBlue, about how big an amount, and whether it ran, on 0333 366 0103. From there Petrol in Diesel takes over, across Cross Town or wherever within Cheshire.