Skip to content

Petrol in Diesel

0333 366 0103

Buckleigh: Put Petrol in a Diesel Car?

With your tank still carrying the fuel and the motor not yet started, nearly every job requires only a drain, so keep the motor off. That outcome is settled in the minutes immediately after the fill-up, rather than by the amount that went in. All over Buckleigh and the remainder of Devon, Petrol in Diesel drains the vehicle and flushes it where it is, whether by a roadside, on a drive or at a forecourt. Ring us before everything else happens, so you will know what happens after that.

Call 0333 366 0103

Petrol in a diesel: what to do first

  • While you drive, your pump and the injectors wear. This is why you do not start it, and why you don't depend on it once it has started. The catch about petrol in a diesel specifically — the point people get wrong — is that it drives off happily for the first mile or two. Diesel in a petrol engine usually can't run at all, which stops the person and stops the damage with them. This one lets you keep going.
  • Diesel ignites, and before it combusts it protects — the injection pump, those injectors. Petrol manages only the burning. So leave the ignition off also: switching it on is often sufficient to prime that system, and priming moves petrol from the tank into precisely those components.
  • Do not put diesel on top to weaken it. A diesel fuel system will not tolerate petrol by percentage the way that guidance suggests, and topping up clears nothing — it merely leaves you a bigger tank of the same mix. The grade makes no difference either: super unleaded is simply petrol.
  • A car that has never moved is the easiest one to handle, and so wait where you are if you reasonably can. Pulled up on the verge on Buckleigh Road? Hazards on, then leave it there. An awkward spot works for us better than a started diesel.
  • Keep your whereabouts ready before you call. A postcode that starts EX39 3 and whatever is nearest to you with a label on it is the difference between our van showing up and a van circling.
  • Three facts decide the whole call-out: the liquid you put in, the approximate quantity involved, plus if anything has been running since. The number is 0333 366 0103.

At the forecourt: clearing petrol from the diesel

It starts at a pump, mostly. Often enough the work finishes on site as well. Still at Morrisons? Then that is typically where it gets done. Station forecourts are everyday for us, with the permission of the owner.

Before your motor has started — the forecourt is the only location the mistake ends up stopped. The few seconds between seeing your receipt and going for your key decide how much needs cleaning. Anywhere other than a forecourt — a car park, a drive, a lay-by — the vehicle was fired up and moved to get there, so fuel was drawn from the tank, through the filter and into the high-pressure pump. That means the fuel lines and the fuel filter require flushing as well as your tank. It is not a disaster, and our engineers can still put it right where the car is.

Staff will usually chip in pushing it clear of the petrol pump, which lets the next customer get past. Welcome the help. Cranking it just to shift four vehicle lengths is not.

Mobile fuel drain van at a diesel car in Buckleigh

If you've put petrol in your diesel Renault Megane in Buckleigh and you're now stranded at Morrisons with a boot loaded with shopping, ring us. Don't crank it again to exit the bay. Our technicians will head your way, drain your tank, rinse your fuel lines and put fresh diesel in so you can drive home. A mile or so at light throttle uses hardly any of it, so those are usually the easy jobs.

Put diesel in a petrol car and usually it will not run, and so the person stops there and the wear stops with them. Flip it — petrol into a diesel — and the thing starts, ticks over and pulls away as though nothing had happened, while the high-pressure fuel pump works without the lubrication the fuel is supposed to be giving. That's the catch, and it is why your diesel Nissan Qashqai will have seemed perfectly ordinary coming back from St Margaret's Church of England Junior School. They do. From behind the wheel there is nothing to alert you about, so nothing alerts you. Phone us with about how far you drove, and how hard; the second one matters more than the first.

Leave the Ford Kuga near Holy Trinity and call us. We're direct about not driving on because a wearing pump loses, and what it gives off travels downstream with your fuel to your injectors further along.

The narrower petrol nozzle slides into a current diesel filler neck with almost no resistance at all, which makes this mechanical rather than careless. New spots see most of that for that reason. So: topped up close to Westward Ho! Baptist Church without thinking, in a diesel Mercedes A-Class you have had for two days? Call us where you are. Hire and courtesy cars tend to get driven further before anyone notices, and distance determines how much petrol ends up at the injectors.

A few streets, then it stopped. Throttle limp, idle lumpy, and the diesel Peugeot 208 is parked up close to Pebble Ridge Adventure Golf and Go Karts. Your engine isn't failing — that softness is fuel that will not build pressure. There is no light on the dash for it, so vehicles like yours typically get driven again before somebody picks up the phone. Don't. Off, then call us.

Do our technicians cover your side of Buckleigh?

Those same runs take us to Westward Ho!, Silford, Rickards Down, Raleigh Estate and Northam as well as Buckleigh, which is a residential suburb.

Our technicians still come. The places above are merely the nearest neighbours, and a page exists for most places across Devon, so an absence from the list isn't an absence from our coverage. Contact us to enquire instead of assuming — boundaries especially, and anywhere your phone might misread.

The patch this page covers is on our map. Roadside, forecourt, driveway, car park: every bit of it is ground our technicians work on, and none of that needs the car to move to us.

Roadside call-outs in Buckleigh

Not everybody gets the opportunity to pull over anywhere safe. A normal call for us instead of a rare one: worked out after setting off, ended up along the verge of Buckleigh Grange or at a lay-by with your hazards going.

Okay right there? Stay beside it. Not fine? Move out and away from it. Don't restart it to reach a nicer spot. It will go — a diesel on petrol generally obliges — and each mile of obliging pulls that mixture deeper into the fuel system. Our van coming to an inconvenient spot is no trouble for us, and it is a lot better for the car than driving on.

Driven it already? Pull over, and see below

Here is where the M5 comes in — under 50 miles from Buckleigh. A misfilled diesel will often get you onto it and some way along before anything feels wrong, while the signs when they come are typically lost power, a lumpy idle and smoke instead of a tidy stop.

Get off at the first safe exit, turn off, and do not start the vehicle to reposition. Long trip? Anything close to the under 50 miles to the nearest city and you should assume the lot — filter, pump, injectors, all of it arrived at by the petrol. Say that on the phone, as it changes what goes in the van.

Where's Buckleigh?

Buckleigh is a suburban area in Devon, situated near the coast and approximately 37.5 miles from Exeter. Buckleigh sits at an elevation of 67 metres, overlooking the surrounding landscape. Buckleigh is characterised by its predominantly detached housing stock, with nearby places including Westward Ho!, Silford, and Rickards Down. Buckleigh is home to a population of around 1782 residents.

Once we get to you in Buckleigh: what follows

  • The replies shape the work, which is why our technicians ask before quoting: what went in, how much of that, and if your engine has run.
  • The tainted fuel comes from the tank.
  • What is left in the system shouldn't be what started the trouble, and so the lines get flushed and your filter cleaned.
  • The fuel system gets bled, on clean diesel.
  • Your engine is started and tested to confirm it runs smoothly on new diesel.

After that it is ready to set off. Everything is done where the car is, so it never needs to go to a workshop, and when it has been noticed quickly, long-term damage is very unusual.

A separate problem: AdBlue in a diesel tank in Buckleigh

The problem isn't the same, though the first instruction is — don't crank it — if what was put in was AdBlue instead of petrol. The lubrication a fuel system depends on is taken away by petrol, which thins the diesel. AdBlue? Urea dissolved in water. Tip that in with your diesel and you get corrosion instead, plus deposits.

AdBlue removal in Buckleigh has a page of its own with the full story on it, including why it's often the more significant of the two. We cover both.

What a petrol-in-diesel fuel drain will cost in Buckleigh

Honestly, no single price belongs on a page like this. This job varies. Here's what changes it:

  • Started? Driven? Either answer matters more than anything else on this list.
  • The tank's capacity, set against how much of the wrong fuel went into it.
  • The type of liquid in the tank, unleaded or AdBlue.
  • Whether a technician can safely reach the vehicle and work on it, which rests on where your vehicle is.

The vehicle, the quantity, whether it has run — give us those and the answer comes back straight and not as a range. If it's not pressing — your car is at home and going nowhere — is fine too.

Petrol in diesel: everyday queries around Buckleigh

I'm on a forecourt around Buckleigh. Can you drain the car on the spot?

Yes, and it is where a big part of this work happens. Consent from the site is the condition. Given that, a forecourt like Texaco is somewhere we're often enough, along with the rest of them locally — so name yours on the call and you'll hear whether working there's possible.

How much petrol in a diesel is too much?

It hinges on the proportion rather than the litres, and a lot more on whether the engine has run. An almost empty tank with five litres in it, against a full one with the same five: separate scenarios, of course. Either way, the work required comes down to one thing, which is if the system has had that mix pulled through it.

Petrol in my diesel, and I have driven the vehicle

Stop safely. Off. Nothing after that. Driving is what shifts the trouble from that tank into the pump and injectors — but it is salvageable much more commonly than people fear, and the single most valuable thing you can do now isn't restart the vehicle.

Is a fuel drain going to void my warranty?

No. Carried out properly, clearing and rinsing is no alteration at all, and the warranty from your manufacturer is untouched by it. Another reason to leave it switched off: running a diesel on petrol is the thing likelier to cause a dispute with one.

Can I just add two-stroke oil and drive home?

No. It belongs to a different fault from a bygone era, and petrol has thinned something no oil of that kind restores. Later on? Still petrol in that tank, and a pump that has to put up with the stuff.

A main dealer for petrol in a diesel — necessary?

There is no need to take it to a main dealer, because our engineers drain and clean your car wherever it is.

Is the vehicle still with you?

Keep the car shut off.

Driven it already? Then somewhere safe, stop, turn off, and no restarting the vehicle after that. Cold, parked, going nowhere: that is the best place to be in. Drivers fear this a lot more than they need to.

At the roadside, on the forecourt or at home — call-out fuel draining around Buckleigh and throughout Devon.

Call 0333 366 0103