---
title: AdBlue in a Diesel Tank Long Itchington — Don't Start It
canonical: https://www.petrolinadieselcar.co.uk/adblue-in-diesel/long-itchington-warwickshire/
location: Long Itchington
county: Warwickshire
latitude: 52.283010
longitude: -1.399440
service: AdBlue in a Diesel Tank
updated: 2026-10-26
---

# Long Itchington: AdBlue in the Diesel Tank? Leave It Off

With AdBlue in the diesel tank, the ignition remains off and so does the motor.

Water with urea mixed in it: that is AdBlue.

Unlike fuel, it neither burns nor blends, and no harm starts until the motor pulls it round.

A drain and a thorough flush, done where the car is around Long Itchington, is generally all AdBlue in a diesel tank takes — if it's caught before the engine has run.

First, phone us on 0333 366 0103.

## Your next steps right now, Long Itchington: AdBlue in your diesel tank

Do:

- Pull the keys out, and so no one switches the ignition on.

- Close to moving traffic? Then put your hazards on.

- Hold on to the till receipt or the empty bottle, and so you can tell us what got in and roughly how much.

- Call just where you are. Quote a CV47 9 postcode or the nearest street sign, and nobody has to hunt for you.

Things not to do:

- No starting the engine — not briefly, not to reposition the car.

- Plenty of diesels run their pump the moment the ignition goes on, and so keep the car off.

- Adding extra diesel doesn't work: AdBlue separates out instead of blending.

- Any driving at all is to be avoided, even a short way along Bascote Road.

- Draining that tank yourself by the road isn't worth trying.

Moving the vehicle away from the pumps is a job for attendants to help with, wherever Long Itchington forecourt you're on, the BP or any other.

On the drive, the car stays just as it is.

## AdBlue in a diesel tank, and what it does there

Meant for your exhaust, AdBlue has no business in your motor.

Stored in a separate tank, it's injected into the exhaust stream to clean the gases.

A fuel pump isn't designed to take it, and AdBlue was never intended to travel through one.

It doesn't blend. Once it's tipped into the tank, AdBlue behaves nothing like fuel.

It drops, because it's heavier than diesel, and settles low where the pickup takes its fuel from.

Simplest of all: one that got AdBlue in Stockton overnight and has not been started since. The AdBlue sits at the foot of your tank, untouched — though it would be the first thing through once the engine starts, ahead of any diesel at all.

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 working on the components it gets to for as long as it stays there.

A motor left sitting around Long Itchington with AdBlue already in its lines is worse by the morning; one with AdBlue only in its tank is not.

Diesel protects the injection pump and each injector as it passes; water gives no lubrication, which is a second kind of harm.

## Petrol or AdBlue in a diesel: why AdBlue is often worse

A problem of thin fuel is what you get after filling a diesel with petrol at the Tesco.

No damage comes while it stays unused, blended into your diesel — only once your motor runs on it.

AdBlue in a diesel is a different matter: not thin fuel, yet no fuel at all.

Not burning, it can't simply be run through.

It does not stay mixed, and so it cannot be weakened. 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 your motor "to see" costs more here than almost anywhere else, whether the vehicle is in Marton Moor or the middle of Long Itchington.

The same good news holds as with petrol.

If your motor hasn't run, the AdBlue is still in the tank, and the tank is the quickest part of a fuel system to clear, wherever across Warwickshire the vehicle is sitting.

## Long Itchington: how AdBlue ends up in a diesel tank

After dark, two caps together — the AdBlue cap and the diesel one, now and then behind one flap — may look the same. Nobody means it; many layouts allow it.

Most of the time it happens with a bottle bought on the way home and poured in on the driveway, not at the pump.

It tends to take place in a few familiar ways.

The refill is rushed outside Long Itchington CofE Academy, because your dash lit up with a warning as the kids were taken off.

A driver tips the container in at home, just off Chaters Orchard, as the day ends.

Or the car is topped up in the car park outside The Green Man, in poor light, by someone who has never opened that flap before.

It happens most in the cars drivers know least: a hire car, a new car, a company car, or the second car of a household with one diesel and one petrol.

Anywhere in Warwickshire, Long Itchington as well, the slip doesn't change, and nor does the first step: leave it off.

## Long Itchington: started the motor with AdBlue in your diesel tank?

In that case, the AdBlue is no longer in that tank.

Given any running, it travels to the high-pressure pump and every injector, after passing through the filter and lines.

Rough running, smoke, dropping power, dashboard warnings or stalling: any may appear, maybe midway across Long Itchington or coming back from Memorial Garden.

No restarting to test: pull over once it is safe, then turn everything off.

With each start, more of that is pulled through.

If you were on the M45, under 10 miles from Long Itchington, come off at the next exit and stop somewhere sensible instead of pressing on.

Each mile pushes the AdBlue deeper into your system. That's why a hop across Long Itchington to park near Holy Trinity and a drive of under 10 miles towards Coventry are such different jobs.

Roughly how far it had come is worth telling us.

Wherever the car came to a stop is where all of it gets done, even with more to flush after the engine has been started.

Permanent damage is very unusual when it's noticed soon.

## Long Itchington: how AdBlue is emptied from a diesel

Anywhere it has come to rest around Long Itchington — a forecourt, a layby, a drive, a road by Southam Swimming Pool — our van comes to your car.

What went in, roughly the quantity, and if your engine has been run: our engineers ask first, since those decide the job.

Next, draining your tank on the spot removes the contaminated diesel and the AdBlue in one go.

Residue from AdBlue will not wash out unaided, so the whole system gets a full flush, which matters far more with urea than for petrol.

Clean diesel goes in once the fuel filter is cleaned — or replaced, when it needs to be — and after that your car is tested.

Not run? Then count on roughly half an hour once we are there for most jobs.

Low-noise enough to use outside a house at night, and safe on a busy forecourt, our pumps are explosion-proof.

Priming your system with fresh diesel comes at the end.

Whether it is a parking bay by Leamington Spa or a driveway in Long Itchington, that is where our technicians fire it up and you drive off.

Before we leave, our technicians make sure it's running smoothly with fresh diesel in.

Because the job is done in its entirety where the vehicle is, a garage never comes into it.

The insurer will want an engineer's report and the VAT invoice — both yours once the job is done.

## About Long Itchington and where it is

Long Itchington is a small village in Warwickshire, situated on the River Itchen at an elevation of around 70 metres. Long Itchington has a mix of old and new housing, with detached homes being the predominant type, and is located near the Model Village, Bascote, and Bascote Heath. Long Itchington is close to Coventry, about 9.7 miles away, and is around 76.2 miles from London. Long Itchington remains a quiet riverside community with a population of approximately 519 residents.

## AdBlue drains across Long Itchington and Warwickshire

The teams that answer AdBlue jobs around Long Itchington also cover the spots round it, Model Village, Bascote and Bascote Heath among them, and most of Warwickshire beyond, across the CV postcode area.

Assuming doesn't help close to a border or anywhere hard to describe; ring and check.

A mobile service suits Long Itchington, a village: there's no need to take the car to us, because our technicians empty it on the spot, in a driveway, a residential street, a parking area or a forecourt.

## What does AdBlue in a diesel tank cost to sort out in Long Itchington?

There is no fair single quote, since the jobs are not the same.

The cost changes first with how long, if at all, the motor has been running, and next with the quantity of AdBlue that got in. After that it turns on where your car is and whether a van can reach it safely, which is easier on an open driveway than in a tight space behind Water Mill.

Which fluid went in, what quantity, and if the engine ran: every Long Itchington call opens with exactly that, before a quote, never afterwards.

The answers turn a range into a straight price.

Our price is given during the call, before a van leaves; settling up happens on the day, by card or over the phone, with nothing upfront.

Misfuelling cover comes with many insurance policies, so it is worth looking at yours before the van gets there.

## Long Itchington: still beside your car?

Right now, the best thing to do with your vehicle is to not touch it.

Keys out, engine off, ignition off.

Petrol in Diesel takes over the remainder, in Long Itchington or anywhere in Warwickshire, after you ring 0333 366 0103 saying it was AdBlue, roughly what quantity, and if the engine ran.
