Petrol in a Diesel Car in Etchinghill: How Worried Should You Be?
Likely less than you already are — as long as nobody has started the car. Everyone around Etchinghill starts with "have I wrecked it?", and the fair answer is usually no: petrol left inside that tank of a diesel remains harmless until priming, cranking or driving pulls it into your fuel system. Keep it that way: leave your engine off then ring Petrol in Diesel. Below, this page sets out what petrol really does inside a diesel, how far it might have gone, and how to stop it happening to you a second time.
The engine and petrol in a diesel: what happens
Passing through an engine, diesel is doing two things at the same time. It protects first, and only then does it burn. Designed to extremely fine tolerances, the injectors and your pump rely on your diesel flowing through them to stop their surfaces wearing against one another.
Petrol does the first task poorly and the second not at all. Being less viscous than diesel, petrol strips away the lubrication a fuel system needs, so a pump on the mixture wearing itself. It's equally made to resist igniting under compression — the opposite of what a diesel needs — which is where you get the rattling.
Put these together and the shape of the trouble is plain. Contact doesn't do the damage — movement does. Where that petrol is only inside the tank, it is a problem of fuel, nothing more. Once the pump has been labouring on that petrol, a mechanical issue has started: anything shed by a pump that is wearing travels onward to the injectors with the fuel.
Petrol in a diesel around Etchinghill: how bad is it? Four cases
The best case there is: filled up, never started. Being at a forecourt is what makes this possible: elsewhere, the vehicle has been driven there to begin with. With the petrol kept inside your tank alone, it is drained and purged right where it stands, and nothing more is needed.
Started for a second, or just the ignition on. Once primed, the fuel system has drawn petrol out of the tank as far as the fuel filter and the lines. Drain, flush, deal with the filter: still usually simple.
The pump has spent a few miles on weakened fuel — that is what driving the vehicle does. How hard the car was driven matters as much as how far, and this work covers that tank, your lines, the fuel filter and clean fuel through the entire circuit. A school run to Lyminge Church of England Primary School is one matter. Very different a second time: a trip to Canterbury, under 15 miles away, or any mileage on the M20, under 3 miles from Etchinghill, where the engine kept running hard.
Rattling, a lumpy idle, smoke, a throttle gone soft: driven until it complained. That's the engine telling you its fuel no longer is behaving like diesel. Pull up wherever you are — the verge on Teddars Leas Road, a lay-by, a side street — then leave the vehicle where it is. A vehicle pulled over soon very seldom has permanent damage, as the drain and the flush-through, which still come first, sort it out.
Etchinghill drivers and the petrol in a diesel stories they hear
It will not be fine. The myth: "Fill it the rest of the way with diesel and it'll be." Nothing is removed by topping up — you are left with a fuller tank, still the same mix. Percentage is not how a diesel fuel system copes with petrol, however much that advice supposes.
If anything, the opposite holds. Myth: "A modern diesel can cope with a bit of petrol." At higher pressure, through more precise components: that is how a modern diesel moves its fuel, and so the protection counts more, not less.
This is the one that catches drivers. Myth: "If it starts and drives, there's no harm done." Any petrol motor fed diesel generally won't run, and so the motorist stops and the harm stops with them. A diesel fed petrol normally starts, ticks over and drives away as though nothing has happened, while the pump wears. A running engine does not mean fine.
An outdated fix for a separate fault lies behind this one. Myth: "Add some two-stroke oil and drive the vehicle home." None of what petrol diluted is put back by it — and afterwards, your tank still contains that petrol.
Myth: "Drain that tank yourself and you're sorted." Once the engine has run, some of the petrol is no longer inside that tank: it is in the filter and the lines, and it goes straight back through the pump on the next start. On top of that, petrol drained into a can by the road is truly risky.
Why petrol in a diesel takes place at all
Nobody does it on purpose, and it's seldom carelessness. One way only, because of the nozzles: the smaller petrol one slides inside a diesel filler with almost no resistance, whereas the diesel one mostly won't fit a petrol car. That is how the forecourt makes it simple.
When habit and your car stop matching, it occurs. A vehicle that's new to you — hired, on loan as a courtesy car, or brand new. Households running one of each, petrol and diesel. The pumps in a different order on a well-known forecourt. A hurried fill on the way to Sandling with a train to catch. A new-to-you diesel Volkswagen Tiguan, its first fuelling, and a driver used to petrol: exactly when it takes place. Add a back seat full of kids, a phone call or rain, and habit takes over.
Etchinghill motorists: how to avoid petrol in a diesel next time
- Check the pump, not the colour. In the UK unleaded handles are generally green and diesel black, yet not on each forecourt. The label is what matters.
- Many vehicles state the fuel type inside the filler flap or on the cap, and so check it on the first fill in any motor you do not know.
- Good intentions count for less than a sticker or a fob in a bright colour on the diesel's key when a home has one of each. So label it.
- It sounds daft and it works: on your first fill in a new or hired car, say "diesel" out loud before you take the nozzle off the pump.
- Tuck your phone away. This is an easy mistake to make while you're thinking about something else.
- Some diesels have a filler built to refuse a petrol nozzle, and devices you can add are available for cars without one. Such an inhibitor helps up to a point — as a safety net, not a reason to stop checking the pump.
- Stop the moment you notice. Less petrol inside that tank makes a thinner blend. It doesn't change what to do next, which is still not to start the vehicle.
Already put petrol in a diesel in Etchinghill?
Then, there is only a short order of things. Starting it is out, and so is turning on the ignition. Yet at the forecourt, at Esso or anywhere else? Ask the attendants to help you roll the vehicle away from the petrol pump. Ring 0333 366 0103 next, with three answers — the fuel, the approximate quantity, and if it has run.
Say so if it was AdBlue instead of petrol: it's a separate issue, with its own page for Etchinghill, since AdBlue brings corrosion and deposits instead of lost lubrication.
One petrol in a diesel job around Etchinghill costs more than another. Why?
A fair single price does not exist here: four scenarios, four separate tasks. The situation itself does most of the work of moving the cost. Two things follow that: the petrol that got in as a proportion of what that tank takes, then the spot the car is in and whether our van can get to it safely.
What got in, how much, and whether it has run — three queries our engineers ask before pricing, not after, for precisely that reason. A range becomes a straight figure when those replies are in.
About Etchinghill, briefly
Etchinghill is a village in Kent, situated near the coast and approximately 11.5 miles from Canterbury. Etchinghill sits at an elevation of 114 metres, overlooking the surrounding countryside. Etchinghill is characterized by its predominantly detached housing stock, with the village being part of a wider rural area that includes nearby Newbarn, Lyminge, and North Lyminge.
Fuel drain cover across Kent, Etchinghill included
The vans answering petrol in diesel calls in Etchinghill, in the CT postcode area, equally work the spots near it, Newbarn, Lyminge and North Lyminge included. The vehicle doesn't need to move to us: we drain at a forecourt, in a supermarket car park, in a lay-by or on your own drive.
Still at the pump around Etchinghill?
The best spot there is, then — that's where you are. Keep it off. Phone.