How Worried Should You Be? Petrol in a Diesel Car in Abbotsham
Unstarted? Then less worried than you likely are. Petrol sitting in a diesel tank does nothing to the motor until something draws it through the fuel system — your ignition priming your pump, your starter, or the drive itself. So the fair answer to the first question everyone in Abbotsham asks, "have I wrecked it?", is normally no. Keep it like that: leave your motor off then call Petrol in Diesel. The rest of this page covers what petrol really does to a diesel, how to judge how far it has got, and how to make sure it does not happen to you again.
The engine and petrol in a diesel: what goes on
Passing through an engine, diesel is doing two jobs at the same time. It lubricates to begin with, and after that does it burn. Extremely fine clearances go into the fuel injectors and the high-pressure pump, and only your diesel running through keeps those surfaces from grinding together.
The second task petrol does not do at all, and the first it does poorly. Being less viscous than diesel, petrol strips away the protection a fuel system needs, so a pump running on that mixture wearing itself. It is also made to resist igniting under compression — the reverse of what a diesel needs — which is where you hear the rattling.
Taken together, they make clear what shape the problem has. It is circulation that causes the harm, not contact. Petrol in the tank is a fuel problem. A pump that has been labouring on that petrol is the beginning of a mechanical one, and whatever a worn pump sheds moves on with your fuel to the fuel injectors further on.
Petrol in a diesel in Abbotsham: how serious is it? Four cases
Fuelled but not once started — as good as it gets. Being on a forecourt is what makes this possible: elsewhere, the vehicle has been driven there to begin with. With that petrol kept inside your tank alone, it is cleared and cleaned right where it stands, and nothing more is needed.
Your ignition turned on, or a brief start. Petrol has come out of that tank and reached your filter and your lines, since the fuel system has been primed. Still generally simple: drain, flush, and the fuel filter dealt with.
Those few miles driven meant your pump working on fuel thinned by petrol throughout. Mileage is only half of it; how hard it was driven matters equally. Either way the work runs to the tank, your lines, the fuel filter and clean fuel through the entire system. Driving the kids to St Helen's Church of England School is one kind of trip. Getting as far as Exeter, under 50 miles away, makes a very different job — as does any miles on the M5, under 50 miles from Abbotsham, with your engine labouring hard all the way.
Driven on till it complained — clattering, smoke, a ragged idle, a soft throttle. What you are hearing is the motor signalling fuel that no longer runs like diesel. Stop wherever you are — the verge on St Helens, a lay-by, a side street — and leave it where it is. A vehicle pulled over soon very seldom has permanent damage, because the drain and the flush, which still come first, deal with it.
Stories Abbotsham people hear about petrol in a diesel
"Top it up the rest of the way with diesel and it'll be fine" — a myth. It will not. Nothing is removed when you top up — your tank just holds more of the same blend. The assumption behind that advice — that diesel fuel systems tolerate petrol by percentage — is wrong.
"Current diesels can handle a little petrol" — a myth, and nearer the opposite. At higher pressure, through finer parts: that's how a modern diesel handles its fuel, so the lubrication counts more, not less.
This is the one that fools drivers. Myth: "If it starts and drives, there is no damage done." Feed diesel to a petrol motor and it usually will not run, so the motorist stops — and the harm stops with them. Nothing seems to have happened when a diesel fed petrol fires up, ticks over and drives away, which it usually will; meanwhile the pump grinds. Fine and running are not the same at all.
An old fix for a distinct problem lies behind this one. Myth: "Add some two-stroke oil and drive the vehicle home." What petrol has diluted remains thinned, and the petrol remains inside that tank anyway.
If the engine has run, part of the petrol sits in the filter and the lines, not the tank — and your next start pulls it straight back through the pump. So the myth "drain the tank yourself and you're sorted" does not stand up. Emptying petrol into a can at the roadside is also truly risky.
Petrol in a diesel: how does it take place?
On purpose? Never. Through carelessness? Seldom, if ever. One way only, since of the nozzles: the slimmer petrol one slips inside a diesel filler with almost no resistance, while the diesel one mostly will not fit a petrol vehicle. That is how the forecourt makes it straightforward.
It occurs when habit and the car stop matching. A new vehicle, a hire car or a courtesy car. Two cars on one driveway, one petrol, one diesel. The pumps in a different order on a well-known forecourt. A rushed fill en route to Barnstaple with a train to catch. Exactly the moment it takes place: after years of driving petrol, someone fills a diesel Volkswagen Golf for the first time. With rain, a call coming in, or children to deal with, the hand just does what it always has.
How to avoid petrol in a diesel at your next fill-up in Abbotsham
- A green handle for unleaded and black for diesel is normal in the UK — but not on each forecourt. Go by the label on the petrol pump, not the colour.
- Plenty of cars state the fuel type inside the filler flap or on the cap, and so check there on the first fill in any car you do not know.
- One of each in the home? Mark your key to your diesel — a bright fob, a sticker — since meaning to remember isn't enough.
- "Diesel", aloud, before you lift the nozzle — every time a new or hired car gets its first tank. It sounds silly. It does the trick.
- Mistakes like this are simple to make whilst your mind is on something else, so the phone goes away.
- Up to a point, a misfuel inhibitor helps: some diesels have a filler designed to block a petrol nozzle, and add-on devices are available for the rest. Treat it as a backstop, then keep reading the petrol pump.
- As soon as you realise, stop: less petrol inside the tank makes a weaker mix. What to do next doesn't change, though — still don't crank it.
Abbotsham: already put petrol in a diesel?
Short and simple, then, is the order of things. Do not switch your ignition on, and do not crank it. Still at the forecourt, at Asda or anywhere else? Ask the staff to help you roll the car away from the petrol pump. Phone 0333 366 0103 next, with three answers — the fuel, the rough volume, and if it has run.
If it was AdBlue instead of petrol, say so. That is a different fault — corrosion and deposits rather than lost lubrication — and it has its own page for Abbotsham.
One petrol in a diesel task around Abbotsham costs more than another. Why?
Four separate jobs lie behind the four situations above — which is why there's no honest single price. Which of them you're in is chiefly what moves your cost. Two things come after that: the petrol that got in as a proportion of what the tank takes, then the place the car is in and whether a technician can get to it safely.
Three queries come first, before quoting, rather than after — what was put in, how much, has it run — and that is the reason. The replies change a range into a straight figure.
About Abbotsham and where it is
Abbotsham is a small village in Devon, situated near the coast and approximately 61 metres above sea level. Abbotsham lies within a short distance of several nearby places, including Rickards Down, Knotty Corner, and Silford. Abbotsham has a population of around 519 people, predominantly living in detached houses. Abbotsham is located near the city of Exeter, which is about 37 miles away.
Fuel drain cover across Devon, Abbotsham included
Our vans answering petrol in diesel call-outs in Abbotsham, in the EX postcode area, also work the spots around it, Rickards Down, Knotty Corner and Silford among them. You need not bring your car to us. Forecourts, supermarket car parks, lay-bys and your own driveway are all locations where we work.
In Abbotsham and still at the pump?
Then you're in the best spot there is. Ring, and keep it turned off.