Skip to content

Petrol in Diesel

0333 366 0103

Chapel End: Put Petrol in a Diesel Car?

Petrol in Diesel drains and cleans misfuelled vehicles where they stand, on the forecourt, at the roadside or on a drive, all over Chapel End and the remainder of Warwickshire. The first thing to do is not to start your engine. While the engine has not been started and the fuel is still sitting in your tank, a drain is nearly always all it needs, and the next few minutes determine that, not how much went in. One ring to us will be sufficient: our team shall show you what follows from here. Make it right away.

Call 0333 366 0103

What next? Petrol in a diesel, in turn

  • Never fire it up — and never trust it when it fires up. That is the bit drivers get wrong about petrol in a diesel especially. A petrol motor filled with diesel typically just won't run, and so the person stops and the wear stops with them. A diesel filled with petrol typically starts, ticks over and drives away just fine for several miles. It's not fine. It is eating into your fuel system as you drive.
  • Leave the ignition alone too. Diesel performs two roles: it ignites, and before it ignites it greases your high-pressure fuel pump and those injectors. Petrol manages the first and not the second. Switching the ignition on is often enough to prime that system, which pulls this petrol out of the tank and into just those components.
  • Topping up clears nothing. It hands you a bigger tank of the same mix, because a diesel fuel system doesn't handle petrol by percentage in the way that advice presumes — so don't tip diesel on top to water down it. Octane is immaterial too: super unleaded is petrol.
  • Stay still if it is safe to. Hazards on, engine off, keep it. Wherever you have stopped — the verge on Chancery Lane, anywhere — a tricky location for us beats a started engine, and nothing is easier for us to sort than a vehicle that never shifted.
  • Have your position ready before you call. A postcode that starts CV10 0 and whatever is next to you with a name on it is the difference between our van showing up and a van circling.
  • Call 0333 366 0103. Tell us what was put in, about how much, and also if the engine has fired. These three details shape the whole job.

How many miles you travelled is what our engineers care about, not how long your motor has been standing — and here's why. Diesel performs two tasks on its way through an engine: it combusts, and before burning it protects that injection pump and the injectors. Petrol handles the first only. So a quick fill-up on the road in, the realisation coming somewhere around eleven, and a diesel Renault Clio parked at Nuneaton since quarter past eight means those couple of miles were done with your pump running on a fuel drained of much of its protection. Phone then leave the vehicle exactly where it is.

Petrol in the Peugeot 308, and it takes diesel? Shopping in your boot, you outside Co-op Food, somewhere around Chapel End? Then phone us, and leave the engine out of it — not even to exit the spot. A technician heads your way. Tank cleared, fuel lines cleaned, fresh diesel in, and home you go. Light throttle over a mile uses very little, so these are usually the easy cases.

Each restart primes the fuel lines and pulls more petrol past your filter and into your pump. So a wrongly fuelled diesel Audi A4 on the zig-zags outside Nathaniel Newton Infant School is a nuisance, whereas the same motor started three more times to be helpful is a fuel system rather than a tank. Somebody will urge you to move the vehicle out of the gateway and sort it out later. Do not. Stay put, let people moan, and phone us.

Injection pressure is the part being lost. Petrol thins diesel, and weaker fuel leaks past the tightly fitted components that are supposed to build that pressure, and so the farther a diesel Mercedes C-Class travelled, the less well it held. Normal on the way out and sluggish on the way back is how that run to Queen Elizabeth Rec went, then, and your tank is where to look. Pull over somewhere sensible, switch off and call us.

Draining your Vauxhall Astra, changing the fuel filter where there is a usable one, purging the lines, putting fresh fuel through the entire circuit: that is the job, and it's shaped by the worst of it waiting in the fuel lines instead of in the tank by this point. Three things help when you call from near St Annes RC Church — which side the filler is on, whether a technician can park alongside without blocking the road, and whether your engine has run since you filled up. On-street is the most common location our technicians work, and so the spot itself is hardly ever the problem. A cramped parking space trumps a motor driven somewhere more convenient.

Mobile fuel drain van at a diesel car in Chapel End

Can petrol be pumped out of a diesel at a forecourt?

A big share of this work is done at a forecourt, because that is where it usually starts. Still at Texcao? Then that's typically where it takes place. Petrol station forecourts are normal for us, with the permission of the owner.

Before the engine has started — a forecourt is the single location this ends up stopped. The few seconds between reading the till receipt and reaching for the keys settle how much requires rinsing. Everywhere other than a forecourt — a car park, a driveway, a lay-by — the vehicle was started and driven to get there, so fuel was drawn from the tank, through your filter and into your high-pressure pump. That means the lines and the filter require cleaning as well as the tank. It is not a catastrophe, and we can still sort it out where the car stands.

Staff will usually pitch in pushing it clear of the petrol pump, which lets the next customer get past. Take the offer. Starting it just for four vehicle lengths? No.

Service near Chapel End

Those same rounds bring us to Plough Hill, Hartshill, Ansley Common, Hartshill Green and Whittleford as well as Chapel End, which is a residential suburb.

If yours isn't on this list it does not mean we never come — there are separate pages for nearly all locations in Warwickshire, and the ones listed above are just the nearest neighbours. Guessing is the thing to avoid, above all on the border or anywhere the satnav goes wrong. Contact us to enquire.

That map shows the area this page covers. Our technicians work at the roadside, on forecourts, on driveways and in car parks over all of it, and the car never needs to travel to us.

Kerbside stops in Chapel End

Not everybody has a sensible spot to pull over. If you noticed after setting off and ended up along the verge of Chancery Rise, or in a lay-by somewhere with the hazards on, that's a routine call for us and not an odd one.

Okay where you are? Remain beside it. Not fine? Move out and clear of it. Every mile a diesel obliges you for on petrol drags that mix further into the fuel system — and oblige it often will, which is why the engine doesn't get restarted to limp somewhere better. Pressing on causes the vehicle far more harm than our van heading out to a difficult place, and that is no bother for us.

Petrol in a diesel, and the vehicle has gone

This is where the local M6 comes in, under 5 miles away from Chapel End. A misfilled diesel will often get you onto it and some way along before anything seems wrong, and the signs when they arrive are usually a loss of power, an uneven idle and smoke instead of a tidy stop.

Don't restart it to move it. Pull off at the first sensible exit then turn off. On a longer trip — anything approaching the under 10 miles to the closest city — take it the mixture has been through the fuel filter, the pump and the injectors, and say so when you call. It alters what our engineers bring.

Chapel End itself

Chapel End is a suburban area in Warwickshire, situated on the riverside with an elevation of 132 metres. Chapel End lies approximately 9 miles north of Coventry and 92.6 miles northwest of London, near neighbouring areas such as Plough Hill and Hartshill. Chapel End has a population of around 5596 people, predominantly living in semi-detached housing. Chapel End is characterized by its residential community and proximity to the surrounding countryside.

When we reach you around Chapel End: what we do

  • Our engineers find out what went in, how much, and if your engine has run. The responses change the work, which is why our engineers ask before pricing.
  • We clear the tank of all the polluted fuel.
  • What is left in the fuel system shouldn't be what caused the issue, and so the fuel lines get cleaned and your filter cleaned.
  • New diesel goes in, and then the system gets primed.
  • Our engineers fire it up and check it runs properly on clean diesel.

After that it's ready to pull away. All of it is done where the vehicle is, so it never needs to go to a workshop, and when it has been spotted quickly, lasting damage is very uncommon.

Chapel End AdBlue removal is a separate matter

The fault isn't the same, though the first instruction is — never start it — if what was put in was AdBlue rather than petrol. Petrol does two things to diesel: dilutes it, and removes the protection the system relies on. Rust and build-up are what a diesel tank gets instead, as AdBlue is urea dissolved in water.

Both are ours. There's a separate Chapel End page for AdBlue removal, with the full story on it — including the reasons it often turns out to be the worse of the two.

Budgeting for a petrol-in-diesel drain around Chapel End

Our engineers cannot put one number on this page frankly, because the job is not one job. What moves it:

  • Started? Driven? Either answer counts more than anything else on this list.
  • How much of the wrong fuel was put in, set against how much your tank takes.
  • The kind of fluid in the tank, unleaded or AdBlue.
  • Where your vehicle is, and whether a technician can sensibly get to and work on it.

Tell us what your vehicle is, how much went in, and if your motor has run. A straight answer comes back, not a range. For the vehicle at home that is going nowhere and isn't time-critical, works too.

Chapel End drivers ask us these about petrol in diesel

I am on a forecourt in Chapel End. Can you drain the vehicle on the spot?

A fair part of this work happens there, so yes. Often, provided the site agrees: another forecourt nearby, plus every other forecourt nearby. Say on the phone where exactly you have stopped. Whether we can work in that spot is something our technicians answer on the spot.

How much petrol is too much for a diesel?

It depends on the ratio instead of the litres, and far more on whether the engine has run. Five litres in an almost empty tank is a separate matter from five in a full one — but either way, the thing that determines how much work is needed is whether that mix has been pulled through your fuel system.

Petrol in my diesel, and I have driven the vehicle

Somewhere safe, then stop, then switch off and leave it off. Driving moves the issue along — out of the tank, into the pump and injectors. Drivers fear it a good deal more than the recovery rate warrants, mind. The one really useful thing left to you is not restarting it.

Is a fuel drain going to void my warranty?

A manufacturer's warranty withstands a drain and flush done to a proper standard, which is no change at all. Another good reason to leave it turned off: running a diesel on petrol is the thing more likely to cause a disagreement with one.

Could I put some two-stroke in and just drive?

What petrol has diluted isn't restored by two-stroke oil, which is an old workaround for a different issue. So no. That tank still has petrol in it afterwards, and the pump still has to cope with it.

Does petrol in a diesel have to go to a main dealer?

You don't need one. The car is drained and flushed wherever it is, with no need to take it to a franchised dealer.

Standing next to it?

Turned off is how it remains.

Turn it off somewhere safe then leave it off, if you have already driven it. Cold, parked, going nowhere: that's the best position to be in. People fear this much more than they need to.

Call-out fuel draining in Chapel End and throughout Warwickshire — at the kerbside, on the forecourt or at home.

Call 0333 366 0103