Petrol in a Diesel Car in Lisnaskea
With that tank still carrying the petrol and the motor not yet started, almost every job needs only a drain, so leave the engine off. That result is determined in the minutes straight after filling up, and not by the amount that went in. Across Lisnaskea and the rest of County Fermanagh, Petrol in Diesel drains the vehicle and cleans it where it is, whether by a roadside, on a driveway or at a forecourt. Phone before anything else happens, so you will learn what comes next.
What now? Petrol in a diesel, step by step
- Feed a petrol engine diesel and it will typically fail to run at all, so the motorist stops there and so does the harm. Give a diesel petrol and the engine starts, it idles, it drives off — fine enough for several miles. Most people have that reversed, which is the part they get wrong about petrol in a diesel especially. So don't crank it. And if started, do not trust it: the fuel system is wearing while you drive.
- Leave your ignition alone too. Diesel performs two tasks: it ignites, and before it combusts it protects that high-pressure pump and those injectors. Petrol does the first but not the second. Turning the ignition on is usually sufficient to prime the system, which draws that petrol out of the tank and into just those components.
- Topping up gets rid of nothing. It leaves you a larger tank of the same mixture, since a diesel fuel system won't accept petrol by percentage as that guidance implies — so never tip diesel on top to thin it. Type is immaterial too: super unleaded is petrol.
- A car that has not moved is the quickest one to deal with, and so remain where you are if you sensibly can. Parked on the verge on Heugh Road? Hazards on, and leave the car there. A difficult place works for us better than a started engine.
- Find out where you are before phoning. A postcode starting BT92 0, and the name of whatever is nearest to you. Otherwise the technician circles rather than showing up.
- Call 0333 366 0103. Prepare for three queries — what was put in, roughly how much, and if the motor has been started. The responses decide whatever comes after.
Tonight, please, instead of Monday. Running it home is the only thing not to do: a commute has put real quantity through the pump already, petrol-thinned diesel and plenty of it, and the return trip would about double the figure to no end. The Volkswagen Passat can stay at the nearest station perfectly well. Phone from the platform if quicker; standing over us whilst our engineers work is not needed.
Petrol in the Skoda Octavia, and it takes diesel? Shopping in your boot, you at the local shops, somewhere around Lisnaskea? Then ring us, and leave your engine out of that — not even to get out of the space. Someone gets to you. Tank cleared, fuel lines rinsed, clean diesel in, and home you go. Gentle throttle over a mile draws little, so these are usually the simple cases.
How far, and how hard? The second of those counts more than the first, so have both ready. The Audi A4 will have seemed perfectly ordinary on the way back from the local primary school — they all do, and that's the snag. Diesel into a petrol car usually won't run at all: the motorist stops, and so does the damage. Petrol into a diesel starts, idles, moves off like nothing happened, while the high-pressure pump gets on with its work minus the lubrication your fuel should be giving it. No warning comes, as behind the wheel nothing appears wrong.
Hardly ever the problem, the spot. On-street is the commonest spot our technicians work, and a tight parking space is far preferable to a motor that has been driven somewhere more convenient. What does help, when you call from close to the centre, is three things: the side the filler is on, whether our van can stand next to without blocking the road, and if anything has run since you filled up. Then your Ford Kuga gets cleared, the fuel filter changed where a serviceable one exists, the lines purged and clean fuel put through the entire circuit — because by now the worst of that is in your lines, not that tank.
What happens next is the issue. Your engine at once sucks the petrol left resting in the fuel filter and the feed lines back round through your pump a second time, as emptying a tank does nothing about fuel that has already left it. Drain it then put clean diesel in, somebody confident will tell you — and that advice is half right, as do it to a diesel Renault Captur parked up, the far end of the built-up part say, and the thing starts, which is what makes it sound sensible. Ring us instead. Our engineers flush the system and take your filter off where the car has a serviceable one, and that's the difference between the vehicle being fixed and your car only starting.
Pump-side draining for petrol in a diesel
A fair part of the job is completed at a forecourt, since that is where it mostly starts. The drain usually takes place there and then. Still on the forecourt at the nearest petrol station? Given the site's agreement, that's somewhere we work, and regularly.
At a garage, it gets halted with the motor never fired, and nowhere else does that. The few seconds between checking the receipt and reaching for the key settle how much requires rinsing. Everywhere other than the forecourt — a car park, a driveway, a lay-by — your car was switched on and moved to get there, so fuel was sucked from your tank, through the filter and into the high-pressure fuel pump. That means the lines and the filter require cleaning as well as that tank. It is not a disaster, and our engineers can still deal with it where the vehicle is.
Out from the pump, the next customer can get through — so yes, let the attendants help you move it. Worth it. Four vehicle lengths is not worth the risk.
Areas our vans reach around Lisnaskea
Donagh, Maguiresbridge, Brookeborough, Carrybridge, Newtownbutler — each of them on our trips that bring us across to Lisnaskea as well, a small village.
Not on that list? It tells you nothing. The places above are just the nearest few, and most towns in County Fermanagh have a page of their own somewhere on the site. Ring us to check instead of assuming, particularly where you're on a boundary or somewhere the satnav struggles with.
This map is the patch this page spans. Kerbside, forecourt, drive, car park: every bit of it is territory our technicians work on, and none of it requires the vehicle to move to us.
Lisnaskea: stuck where you parked
Some people find no sensible spot to pull in at all. Set off, then noticed? Ended up by the verge of Chalet Road, or stuck in some lay-by with the hazards on? That's a common call here. Not an odd one.
Clear of the vehicle when it isn't sensible to wait inside, with it if it is. It will often oblige. A diesel running on petrol limps along very willingly, and that's the trouble: start it up to reach somewhere better and the mixture goes further into the fuel system with every mile driven. A technician heading to an awkward place is no trouble for us, and it is much better for the car than driving on.
Driven it already? Pull in, then read this
over 50 miles from Lisnaskea, the local M77 is what matters here. Some distance along, and onto it in the first place: a wrongly fuelled diesel will often manage both before anything seems wrong. What you get then is rarely a neat stop. Power drains away, the idle turns uneven, and there may be some smoke.
Take the next exit that is sensible, stop there, and do not restart the car to move it. Assume the worst of that on a long drive. Anything close to the under 50 miles to the nearest city, and the mixture has been through the filter, through the pump, through the injectors. Say so when you ring. What we bring changes.
A little about Lisnaskea
Lisnaskea is a locality in County Fermanagh, situated inland at an elevation of 63 metres, and is located near the villages of Donagh, Maguiresbridge, and Brookeborough. Lisnaskea lies approximately 32 miles from Armagh, the nearest city, and is characterised by predominantly detached housing. Lisnaskea has a population of around 1303 people and is part of the wider rural landscape of Northern Ireland. Lisnaskea is also relatively distant from major urban centres, with London being around 359 miles away.
What our engineers do when we reach you around Lisnaskea
- Our technicians find out what was put in, how much, and whether your engine has run. The replies change the work, which is why our engineers ask before quoting.
- We drain that tank of the contaminated fuel.
- Lines cleaned, filter cleaned. Whatever is left afterwards is not the thing that caused the problem.
- Priming follows, once clean diesel is in.
- The motor is started and tested to confirm it runs properly on clean diesel.
From there, you're ready to drive away. Everything is done where the car is, so it never needs to be taken to a garage, and when it has been caught quickly, permanent damage is very rare.
AdBlue in a diesel tank around Lisnaskea is a different matter
If what went in was AdBlue rather than petrol, the opening instruction is the same — don't fire it up — but this issue is not. Petrol weakens the diesel and takes away the lubrication the fuel system depends on. AdBlue? Urea dissolved in water. Put that in with the diesel and you get corrosion instead, plus residue.
Our engineers handle both, and AdBlue removal in Lisnaskea has its own page with the detail — including why it is frequently the more significant of the two.
Paying for a petrol-in-diesel drain in Lisnaskea
What shifts the figure is set out below, as the job is not one job and our engineers cannot truthfully put a single figure on this page.
- This is the key one: whether the motor has been run, or driven.
- How much of the wrong fuel was put in, judged against how much your tank can hold.
- Whether it's petrol or AdBlue.
- Where is it? And can a technician get to it and work there sensibly?
The vehicle, the amount, whether it has run — give us those and the answer comes back firm rather than as a range. Not urgent, with the car at home and going nowhere? Then is fine.
Lisnaskea drivers ask us these about petrol in diesel
Can you do a fuel drain at a petrol station around Lisnaskea?
A big portion of this work takes place there, so yes. We attend another forecourt nearby and the other forecourts around town regularly, with the site's agreement — tell us which one you are at when you phone and we'll tell you if we can work there.
A couple of litres of petrol in a diesel — too much?
Whether the engine has run counts far more, though the proportion matters too, instead of the litres. What decides how much work is required is if that mixture has been pulled through your fuel system — since even though five litres in a nearly empty tank is a distinct case from five in a full one, either way that's the query.
I put petrol in my diesel and drove the car. What now?
Stop safely. Off. Nothing after that. Driving is what takes the issue from your tank into your pump and injectors — but it's salvageable far more often than people fear, and the single most valuable thing you can do now is not restart it.
Is a fuel drain going to void my warranty?
A manufacturer's warranty survives a drain and flush done to a good standard, which is no alteration at all. What's likelier to start a dispute is a diesel that has been run on petrol. One more good reason for the motor to stay off.
Adding two-stroke oil, then driving home
No. Two-stroke oil is an old remedy for a distinct fault and it doesn't put back what petrol has weakened. The tank still has petrol in it after that, and the pump still has to live with it.
Does petrol in a diesel have to go to a main dealer?
Not at all. Our engineers drain and clean the car wherever it is, so there's no need to bring it to a dealership.
You, and your vehicle, still together?
The motor stays off.
Turn it off somewhere safe then leave it off, if you have already driven it. A still, cold motor is the best place to be in, and this is recoverable from much more often than motorists fear.
Emptying misfilled cars, Lisnaskea and the rest of County Fermanagh, wherever they are. Roadside. Forecourt. Home.