Should You Worry? Petrol in a Diesel Car in Vines Cross
Less than you probably are, provided it hasn't been started. Everyone around Vines Cross begins with "have I wrecked it?", and the fair answer is generally no: petrol left inside your tank of a diesel stays harmless till priming, cranking or driving draws it into your fuel system. Keep it like that: leave the motor off and phone Petrol in Diesel. The rest of this page covers what petrol actually does to a diesel, how to tell how far it has got, and how to make sure it doesn't happen to you a second time.
The engine and petrol in a diesel: what goes on
On its way through an engine, diesel does two tasks. It lubricates to begin with, and after that does it burn. Made to extremely fine gaps, the fuel injectors and your pump rely on your diesel moving through them to stop their surfaces wearing against one another.
Badly at the first, not at all at the second: that is petrol. Being less viscous than diesel, petrol strips away the lubrication a fuel system needs, leaving a pump on the mixture wearing itself. It is also made to resist igniting under compression — the reverse of what a diesel needs — which is why you get the clattering.
Put these together and the shape of the trouble is plain. The harm is done by circulation, not by contact. Petrol in a tank is a fuel problem. The start of a mechanical one is a pump that has been running on that petrol — and whatever a worn pump sheds moves on with the fuel to the fuel injectors beyond it.
Petrol in a diesel in Vines Cross: how bad is it? Four situations
Filled but never started — as good as it gets. Being at a forecourt is what makes this the case: elsewhere, your car has been driven there to begin with. With that petrol kept in your tank alone, it's emptied and rinsed on the spot, and nothing more is needed.
A brief spell of running, or merely the ignition on. With the fuel system primed, the lines and filter now contain petrol that has come from the tank. That's generally still a straightforward job — a drain, a flush, and your filter seen to.
Driven a couple of miles. Now your pump has spent those miles working on diluted fuel. The work is the tank, the fuel lines, the fuel filter and fresh fuel through the whole system, and how hard your car was driven counts as much as how far. Driving the children to Maynards Green Community Primary School is one sort of trip. A run as far as Brighton and Hove, under 25 miles away, is a very different job. So is any mileage on the M23, under 25 miles from Vines Cross, where your engine has been running hard the whole time.
Driven on till it protested — rattling, smoke, an uneven idle, a dead throttle. The fuel isn't acting like diesel any more, and the engine is saying so. Pull up on the spot — on the verge on Ballsocks Lane, at the kerb, down a side road — and don't move it again. What comes first is still the fuel drain and flush, and that takes care of it, with lasting damage very rare when a car is stopped quickly.
Stories Vines Cross people hear about petrol in a diesel
It will not be fine. The myth: "Fill it the rest of the way with diesel and it'll be." Nothing comes out when you top up — that tank simply holds more of the same mixture. The idea behind that advice — that diesel fuel systems accept petrol by percentage — is wrong.
"Current diesels can handle a little petrol" — a myth, and nearer the reverse. Smaller parts and higher pressure are the way a newer diesel runs its fuel, and that makes the lubrication count more, not less.
"It starts, it drives, so there is no harm" — the myth that catches more people than any other. Feed diesel to a petrol motor and it normally won't run, so the driver stops — and the harm stops with them. While the pump wears, a diesel fed petrol normally starts, ticks over and drives away as if nothing has happened. Running is not the same as fine.
Myth: "Add some two-stroke oil and drive the car home." It's an old fix for a separate problem. The petrol is still inside the tank after that, and what it has thinned isn't put back.
The next start draws petrol back round your pump out of your lines and the fuel filter, where some of it ends up after your engine has run. That is why a DIY tank drain doesn't leave you sorted — a myth. On top of that, petrol emptied into a can by the road is genuinely hazardous.
Why petrol in a diesel occurs so easily
It is rarely carelessness, and nobody does it on purpose. The petrol nozzle is the narrower of the two and slips into a diesel filler with almost no resistance; a diesel nozzle mostly will not go into a petrol motor at all. The forecourt makes it simple, and the slip runs one way.
Habit and the vehicle getting out of step is how it takes place. Courtesy car, hire car, or a car that is new. One petrol and one diesel on the drive of the same household. Your usual forecourt, its pumps now in a different order. A train to catch, and a rushed fill on the way to Buxted. A new-to-you diesel Volkswagen Golf, its first fuelling, and a motorist used to petrol: precisely when it occurs. Add a back seat full of children, a phone call or rain, and the hand wins.
Vines Cross people: how to avoid petrol in a diesel next time
- The label is what counts, and so read the pump rather than the colour: in the UK unleaded handles are usually green and diesel black, yet not on every forecourt.
- Inspect your filler flap. Plenty of vehicles state the fuel inside the flap or on the cap. Look at it on the first fill in a motor you do not know.
- A coloured fob or a sticker on your diesel's key achieves more than any amount of intending to remember, for a house with one of each.
- Before the nozzle comes off the petrol pump the first time you fill a hired or new motor, say "diesel" out loud. Silly, yes, yet it works.
- While you are thinking about something else, this is an easy mistake to make — so tuck your phone away.
- Add-on devices exist for cars without one, and some diesels come with a filler that won't accept a petrol nozzle. Useful — but a safety net at best, never a reason to stop checking the label.
- Spotting it mid-fill? Stop at once. A thinner mixture results from less petrol in the tank, but your next stage stays the same: don't start it.
Petrol already in a diesel around Vines Cross? Start here
Then the order of things is short. Starting it is out, and so is switching on the ignition. Yet at the forecourt, at Local Fuels or anywhere else? Ask the attendants to help you push the vehicle clear of the petrol pump. Next, 0333 366 0103. We'll ask what got in, roughly how much, and if it's been run.
Say so if it was AdBlue rather than petrol: it's a separate problem, with its own page for Vines Cross, since AdBlue brings corrosion and deposits rather than lost lubrication.
One petrol in a diesel task around Vines Cross costs more than another. Why?
Four separate tasks sit behind the four scenarios above — which is why there is no honest single price. Which of them you are in is chiefly what moves your cost. The ratio matters next, meaning how much of the tank is petrol, followed by the location of the car and whether reaching it is safe for our van.
What was put in, how much, and whether it has run — three questions we ask before costing, not after, for exactly that reason. The answers change a range into a straight figure.
About Vines Cross itself
Vines Cross is a small village in East Sussex, situated near the River Cuckmere and surrounded by rolling countryside. Vines Cross has a population of around 512 people and is characterised by detached housing. Vines Cross is located near other villages such as Marle Green, Horam, and Maynards Green, and is approximately 19 miles from Brighton and Hove. Vines Cross sits at an elevation of around 70 metres above sea level, in a scenic riverside setting.
Fuel drain cover around Vines Cross and across East Sussex
Petrol in diesel calls in Vines Cross — part of the TN postcode area — go to vans that likewise cover the locations about it, Marle Green, Horam and Maynards Green among them. Our engineers drain where your car is — your own drive, a lay-by, a supermarket car park, a forecourt — so it does not have to come to us.
Still at the petrol pump in Vines Cross?
Nothing beats it: that's where you now are. Turned off it stays; then call.