Whiteshill: AdBlue in the Diesel Tank? Leave It Off
Engine off, ignition off: that is how you begin if AdBlue has gone into the diesel tank. In plain terms, AdBlue is just urea in water. It doesn't burn, it doesn't mix with diesel, and the damage it does begins when the fuel system pulls it in. A drain and a thorough flush, done where the car is in Whiteshill, is normally all AdBlue in a diesel tank takes — if it's caught before your motor has been run. No step comes before calling 0333 366 0103.
Those opening minutes: AdBlue in the diesel tank around Whiteshill
To do:
- Keys out — that way no one can switch anything on.
- Put the hazards on if you're at all close to moving traffic.
- Keep the receipt or the empty bottle, and so you can tell us what was put in and roughly how much.
- Give us a postcode starting GL6 6, or whatever street is nearest, and our van reaches you directly — so call from wherever you stand.
Don't do these:
- Do not start the motor, even for a moment to move your car.
- The ignition remains off: on many diesels, turning it on is enough to run the pump.
- Do not top up with diesel to thin it. AdBlue doesn't mix in diesel; it separates out.
- Even a short way along Lower Kitesnest Lane is too far to drive it.
- No emptying it yourself, at all, on the verge.
The staff working at any Whiteshill forecourt — the Tesco among them — will normally lend a hand pushing it clear if you ask. At home, your car stays exactly where it was left.
What does AdBlue do in a diesel tank?
AdBlue is made for the exhaust, not the motor. Stored in a dedicated tank, it's squirted into the exhaust stream to treat the fumes. Not one side suits the other: urea doesn't belong in a pump, and a pump cannot take urea.
Inside a diesel tank it behaves really differently from fuel. It does not mix in. Heavier than diesel, it drops and collects underneath it — the same place the pickup sucks from. A vehicle filled on a driveway in Pitchcombe yesterday evening and not started since counts as the straightforward case. Nothing has sucked the AdBlue up yet — but when the motor turns, that's what goes first, straight from the bottom of your tank.
It does two kinds of damage from there. 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 gets to for as long as it remains there. Overnight, a car sitting around Whiteshill with AdBlue through its pipework grows worse; if it's only in that tank, nothing changes. The water in it does harm of its own: the high-pressure pump and your injectors rely on diesel to lubricate them, and water gives them nothing.
Why is AdBlue in a diesel commonly the bigger issue?
Put petrol in a diesel at the Esso and you have a problem of thin fuel. Blended into your diesel and sitting still, it's no threat at that stage; running your engine is the damage.
AdBlue in a diesel is a different problem: not thin fuel, yet no fuel at all. It doesn't burn, so it can't simply be run through. It doesn't stay mixed, so it cannot be thinned. And crystals and corrosion don't wash out with the next tank of fuel. That is why the flush matters more with AdBlue than with petrol, and why starting the motor "to see" costs more here than nearly anywhere else, whether the car is in Randwick or the middle of Whiteshill.
As with petrol, there's good news. If your motor has not run, the AdBlue is still inside the tank, and the tank is the easiest part of a fuel system to clear, wherever across Gloucestershire the car is sitting.
How does AdBlue end up in a diesel tank in Whiteshill?
It's not deliberate. Plenty of vehicles have the AdBlue inlet beside the diesel one, now and then under a single flap, and muddling them up is simple in poor light. Mostly it's not the filling station: a driver picks up a container heading home and pours it in at home.
It tends to take place in a few familiar ways. Halfway through the morning drop-off, the dashboard warns, and outside Whiteshill Primary School the top-up is rushed. Someone tips the container in at home, right off Upper Kitesnest Lane, as the day ends. Another pattern: darkness, a pub car park by Star Inn, and a driver using that flap for the first time.
It takes place most in the cars people know least: a hire car, a new vehicle, a company car, or the second car of a household with one diesel and one petrol. Same slip, same first step — keep it switched off — wherever you happen to be in Whiteshill or the rest of Gloucestershire.
Already started your engine with AdBlue in your diesel tank around Whiteshill?
In that case, the AdBlue is no longer in that tank. With any running time, it travels to the injection pump and every injector, after passing via the fuel filter and pipework.
Maybe coming back from Light Wood, or midway across Whiteshill, your engine may go rough, smoke, lose power, light up your dash or stall. Pull over when it is safe. Switch off. Leave it off instead of restarting it to check. Each start pulls more of that through.
If you were on the M5, under 3 miles from Whiteshill, come off at the next junction and stop somewhere safe instead of pressing on.
How far it went matters. A couple of hundred yards across Whiteshill to the car park by Ruscombe Village Hall is a very different job from a run towards Gloucester, under 10 miles away, with the AdBlue reaching further into the system with every mile. Roughly how far had it come? Tell us.
There is more to clean out once your engine has been run, and our technicians do all of it where your car has stopped. Noticed early, it very seldom leaves lasting damage.
Whiteshill: how AdBlue is cleared from a diesel
The vehicle remains where it is, whether that is a road beside Saint Paul, a driveway, a layby or a forecourt around Whiteshill, and our van comes to it. Before anything else our technicians ask what went in, roughly how much, and whether the engine has run, because those replies decide the work.
Next, emptying the tank right there takes out the polluted diesel and the AdBlue in one go. A full flush matters far more after AdBlue than after petrol, because what remains will not wash out on its own. Testing your car comes at the end, once fresh diesel is added and the filter gets flushed or, if needed, swapped. Engine not run? In that case expect roughly half an hour on site for most jobs. Low-noise enough to use outside a house at night, and safe on a working forecourt, the pumps are explosion-proof.
Priming your system with fresh diesel comes at the end. Then we start the engine and you head off, whether from a parking space by Stroud or a driveway in Whiteshill. We confirm it runs correctly on new diesel before we leave. Since the job is done in its entirety where your car is, a workshop never comes into it. At the end, you are given the paperwork for your insurer: a VAT invoice plus a written report from the engineer.
About Whiteshill, for a moment
Whiteshill is a village in Gloucestershire, situated near the River Severn, with its elevation at around 182 metres above sea level. Whiteshill lies close to the city of Gloucester, approximately 6.9 miles away, and is near other local places such as Highfield and Ruscombe. Whiteshill has a population of around 871 residents, predominantly living in detached houses. Whiteshill is located in the South West region of England, about 92 miles west of London.
Whiteshill and Gloucestershire: AdBlue drains across the area
The vans that answer AdBlue call-outs in Whiteshill also cover the spots around it, Highfield, Ruscombe and Bread Street among them, and most of Gloucestershire beyond, across the GL postcode area. If you're close to a border, or somewhere hard to describe, ring and ask rather than assuming.
A mobile service suits Whiteshill, a village: there's no need to take the vehicle to us, since our technicians drain it on the spot, on a driveway, a side street, a car park or a filling station.
Whiteshill: what AdBlue in a diesel tank costs to fix
Not one flat price would be fair, because every job is different. The cost changes first with how long, if at all, the engine has been running, and next with the amount of AdBlue that got in. After that it rests on where your car is and whether a technician can reach it safely, which is easier on an open drive than in a tight space behind Whiteshill and Ruscombe Village Hall.
With that reason, each enquiry from Whiteshill begins by asking the identical trio — what was put in, how much, if the engine ran — ahead of any quote. The answers turn a range into a straight price.
Priced by phone before the van sets out, the job is paid for that day — card or phone, no deposit. Check your insurance while we are on the way: plenty include misfuelling cover.
Beside your car around Whiteshill, still?
Then the most helpful thing you can do is nothing to your car. Keys out; engine and ignition off. Tell us it was AdBlue, about what quantity, and whether it ran, on 0333 366 0103. After that Petrol in Diesel handles it, in Whiteshill or wherever in Gloucestershire.