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Petrol in Diesel

0333 366 0103

Half Acres: How Does AdBlue End Up in a Diesel Tank, and How Do You Prevent It?

Keep your engine and ignition off and phone 0333 366 0103 first — the rest can wait when AdBlue is already in the diesel tank. Caught before the motor runs, it's usually a drain and a thorough flush, done where the vehicle is around Half Acres. Reading before the event? Then what follows covers why it happens and how to stop it happening at all.

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Two fillers, two tanks: AdBlue in a diesel vehicle

Diesel goes to the engine — but plenty of modern diesels seen about Half Acres and Cutsyke carry a second fluid as well. AdBlue's own tank holds it, and from there it is sent to the exhaust, and there a spray treats the fumes.

Each tank has its own filler. Many of motors have a single flap for both, while some move the AdBlue filler to the boot or under the bonnet. The diesel side is fuelled at the petrol pump all the time. A driver who has to stop and work out where it goes usually tops up the AdBlue side, from a bottle, and much less regularly. That gap is where the mistake lives.

How AdBlue in the diesel tank takes place around Half Acres

Seldom is it carelessness: normally three things coincide.

On a drive off Beancroft Street before work, or in the car park outside Roundhill Road Club on the way home: that's where the rushed top-up happens. What is the reason for the rush? As AdBlue runs low your car tells you, and if it's gone, limp mode kicks in.

Unfamiliar cars come next, too. Rentals, new vehicles and company cars place their fillers differently, and the hand goes for the cap used on the old one.

And the bottle fits. A bottle with a spout goes into a diesel filler as easily as an AdBlue one, and so nothing stops the pour once it has started. It takes seconds, whether out in Round Hill or right in the heart of Half Acres.

Flushing a diesel fuel system after AdBlue, Half Acres

How to tell the AdBlue filler from the diesel one

Check these before pouring, on a forecourt in Half Acres or a drive out in Castleford Ings. A few seconds, no more.

  • The cap. The AdBlue cap is frequently blue, or marked "AdBlue". Your diesel cap normally isn't. Read it rather than going by where it sits.
  • Look at the size: the smaller filler neck is, on many cars, the AdBlue one.
  • Lift the flap and look for a label — many cars show which belongs in which filler just there.
  • The handbook says where it lives if the filler isn't next to your diesel cap: your boot, or under the bonnet.
  • Ask the person who drove it last — before you leave, not when the light comes on — when you collect a hire or company car from somewhere like the car park at Castleford.

AdBlue top-ups that never reach your diesel tank

For the day the light comes on — wherever it is around West Yorkshire — a simple routine to use.

  • Not in a rush on the side of Beancroft Road, not on a slope, not with the motor running: park then switch off first.
  • Locate the AdBlue filler, read the cap, and say the word "AdBlue" out loud while unscrewing it. It seems silly. It does the trick.
  • The two behind a single flap? So confirm the cap on the diesel side is still closed ahead of raising the bottle.
  • Stop when that tank fills or the bottle runs dry; until then, pour slowly through its own spout.
  • Shut the cap, then check again — making sure the diesel cap remained shut the whole time. After that, start the vehicle.

Spot at step two or three that it's already gone into your diesel side? Then stop just there. Don't go on to step five.

Half Acres: already put AdBlue in your diesel tank?

Brief list, then. Top of that: the motor stays unstarted. The fuel pump starts on plenty of diesels as soon as your ignition goes on — and so leave it off. Do not top up with diesel to dilute it: AdBlue doesn't mix with diesel, it sinks to the bottom of the tank, where the fuel is pulled from.

If you are on a forecourt, whether it is the the nearest petrol station or the Asda, ask the staff to help push the vehicle away from the petrol pump. On your own drive in Half Acres? Then the car stays where it is.

Already run? Stop once it's safe, then switch off. Half Acres lies under 3 miles from the M62; there, take the next exit. Distance matters — a short hop across Half Acres is a smaller job than heading under 10 miles towards Wakefield — so say about how far it went.

Our arrival around Half Acres, and what occurs next

Anywhere your car came to rest, whether outside Half Acres Primary Academy, beside Smawthorne Community Church or at home, the van comes to it. Both the work and our price depend on three answers — what liquid, what amount, and if it's run — so our engineers ask. You hear that price on the phone, before anybody sets off.

Emptying that tank comes next, then a thorough flush of the system. AdBlue crystallises and is corrosive to some of the metals in a fuel system, so it does not wash out on its own — which is why that matters more here than with petrol. A test is last: before that, clean diesel goes in, and the fuel filter is flushed or replaced if necessary. The engine is started next and tested to confirm it runs properly, all before our technicians leave.

Using pumps safe on a working forecourt and quiet enough to use outside a house at night, most jobs in which the engine hasn't run need roughly half an hour once we arrive. No money upfront; you settle up on the day. Afterwards, a VAT invoice and the report from the engineer go to you for your insurer. While we travel, have a look at your insurance documents; many include cover for misfuelling.

About Half Acres

Half Acres is a suburban area in West Yorkshire, situated approximately 6 miles from Wakefield and 161 miles from London, with a mix of terraced housing and local amenities. Half Acres sits at a relatively low elevation of 27 metres, near the communities of Round Hill and Hightown. Half Acres is part of the larger urban landscape of West Yorkshire, with nearby Castleford also being a significant local centre. Half Acres has a population of around 8087 people, living in a predominantly terraced housing environment.

AdBlue drains in Half Acres and across West Yorkshire

Throughout WF postcodes, our teams that cover Half Acres — a residential suburb — work the surrounding places too, Castleford and Hightown among them. A postcode starting WF10 5 gets our van to you fastest.

The vehicle doesn't need to shift. Our technicians drain it where it is — a side street near Smawthorne Community Project @ The Link, a lay-by on the way to Smawthorne Park, a driveway. Tricky to explain, like the back of St Michaels and All Angels Church? By a border? Asking is better than guessing, so phone.

The short version for Half Acres people

First, the cap; after that, the tip. AdBlue in your diesel tank regardless? Leave the vehicle off then phone 0333 366 0103; Petrol in Diesel empties it where it stands, across West Yorkshire.

Call 0333 366 0103