Ballykelly: Put Petrol in a Diesel Car?
With the tank still holding the petrol and the motor not yet turned over, almost every job needs only a drain, so keep the motor off. That outcome is determined in the minutes immediately after the fill-up, and not by the amount that went in. All over Ballykelly and the remainder of County Londonderry, Petrol in Diesel drains your car and flushes it where it sits, whether at a roadside, on a private drive or at a forecourt. Ring us and our engineers shall explain what comes from here before you try much else.
Your first five minutes: petrol in a diesel
- As you drive, your pump and the injectors wear. That's why you don't crank it, and why you never believe it once it has started. The trick about petrol in a diesel especially — the bit most people get wrong — is that it pulls away normally for the first mile or two. Diesel in a petrol motor generally won't run at all, which stops the motorist and stops the damage with them. This one lets you carry on.
- Diesel ignites, and before it ignites it protects — your injection pump, the injectors. Petrol does only the burning. So leave the car's ignition alone too: turning it on is frequently all it takes to prime your system, and priming carries petrol from that tank into exactly those components.
- That guidance supposes a diesel fuel system tolerates petrol by percentage. It does not. Pour diesel on top and nothing at all is removed; what you have is a bigger tank of the same mix. And no, the octane makes no difference — super unleaded is just petrol.
- A vehicle that has never shifted is the quickest one to deal with, so remain where you are if you sensibly can. Parked on the verge on Crown Street? Hazards on, and keep the car there. An odd place suits us better than a started diesel.
- Before you ring, gather your whereabouts. Anything next to you with a sign on it, plus a postcode starting BT49 9 — that's what decides whether our van arrives or circles.
- What was put in, about how much, and also whether the engine has started — those three replies settle the whole call-out. Ring 0333 366 0103 and tell us.
Petrol in a diesel Dacia Duster, left at the nearest station since this morning? The day has cost you nothing — fuel sitting in a tank is dormant. It was the journey in that pushed thinned diesel through the pump. Phone us before you collect the vehicle.
How much fuel your pump has drawn is what we're actually asking — not how long ago any of that was. So the call we hope for sounds like this: diesel Peugeot 3008, a couple of litres of unleaded, a couple of miles driven, now turned off at the local shops.
What we will want to know is whether the drive there was brief and cold, since that's where petrol is least likely to burn fully — and whatever doesn't burn can work past the rings and into the oil. Right up to the moment someone takes it home, a diesel Audi A3 standing in the car park outside the pub in the village carrying a tank full of petrol in it is a simple job. Nothing deteriorates whilst it sits, so leave it overnight and ring us in the morning.
Why so blunt about leaving the keys alone? Because your pump is ahead of the injectors, and a worn-out one sends whatever it loses onward with your fuel. Phone us. Leave the Volkswagen Polo by the centre.
That deadness is your fuel failing to build pressure properly, not the motor giving up — and with no dashboard light for it, cars in that position usually get driven once more before anyone phones. Do not. A couple of streets is all it got: throttle gone limp, idle turned ragged, and a diesel Volvo XC60 now sitting near the far end of the built-up part. Switch the vehicle off then phone us.
On a forecourt: draining petrol from a diesel
Plenty of this work begins at a pump, so a fair portion of it ends up completed there. We operate on garage forecourts all the time, with the owner's agreement, so if you're still at the nearest petrol station that's generally where this drain takes place.
At a forecourt, the mistake gets stopped with your motor never run, and no place else does that. Everywhere else — a car park, a private drive, a lay-by — the vehicle was switched on and driven to get there, which means fuel was sucked from that tank, through your filter then into the high-pressure pump. That is not a calamity, and our technicians can still sort it out where it stands. It does mean the lines and your filter need flushing as well as your tank, and that is decided by the few seconds between reading the till receipt and reaching for the keys.
Wheel it out of the way if the attendants offer, and they normally will. The next customer gets past the pump, and that is worth doing. Cranking it to roll four car lengths is not.
Can our technicians serve your part of Ballykelly?
Ballykelly is a coastal area, and our vans are out to it and to the places near it on the same journeys: Drumraighland, Limavady, Carrowclare, Artikelly and Glack.
There are dedicated pages for the majority of locations across County Londonderry, and the ones mentioned above are merely the immediate neighbours — so yours being left off this list says nothing about if we come. Assuming is the thing to avoid, above all on a boundary or anywhere a satnav goes wrong. Call us to ask.
The map shows the area the page spans. Our technicians work by the road, on forecourts, on driveways and at car parks throughout all of it, and the car does not need to move to us.
Roadside call-outs across Ballykelly
Not everybody finds a decent place to stop. Hazards flashing at a lay-by somewhere, or pulled onto the verge beside Rock Street because you noticed after setting off — our technicians take that call regularly enough that it's the ordinary kind.
Clear of the motor if it's not wise to sit in it, with it when it is. Never restart it to reach a safer location. It will go — a diesel on petrol generally obliges — and each mile of obliging drags the mix deeper into your fuel system. However difficult the location, it is no problem for us to come to it, and that's a lot better for your car than carrying on.
Petrol in a diesel, but the motor has gone
over 50 miles out of Ballykelly, the M77 is what matters here. It will often get you onto it, and some way along, before you feel a thing. Then it's smoke, an uneven idle and power falling away — not a tidy stop. Misfuelled diesels seldom give you one of those.
Take the first exit that is sensible, stop there, and don't start the car to reposition. It alters what our engineers bring, so mention it when you ring: on a longer drive — anything approaching the under 15 miles to the closest city — assume the petrol has been through the fuel filter, the pump and the injectors.
About Ballykelly
Ballykelly is a coastal locality in County Londonderry, situated near the mouth of the River Roe and close to the cities of Derry and Limavady. Ballykelly sits at an elevation of 21 metres, looking out over the coastal landscape of Northern Ireland. Ballykelly is characterized by its semi-detached housing and small community of around 1030 residents. Ballykelly is located near several nearby places, including Drumraighland and Carrowclare.
Our job in Ballykelly, step by step
- The answers change the work, which is why our technicians ask before giving a price: what got in, how much of that, and whether your motor has run.
- The contaminated fuel is drawn from that tank.
- We rinse your fuel lines and clean the fuel filter, so what's remaining in the fuel system is not what caused the problem.
- Our engineers pour clean diesel in and prime your system.
- It is fired up with clean diesel in it, and our technicians make sure that it's running properly.
After that it's ready to drive away. Our technicians do everything wherever your car has ended up, which means it never has to go to a garage, and when it has been noticed soon, it is very unusual for there to be permanent damage.
AdBlue in your diesel tank instead, around Ballykelly?
The issue is not the same, though the opening instruction is — never start it — if what went in was AdBlue rather than petrol. The lubrication a fuel system depends on is stripped away by petrol, which weakens your diesel. Corrosion and residue are what a diesel tank ends up with instead, as AdBlue is urea dissolved in water.
Usually the more significant of the two, AdBlue — and the details sits on its own Ballykelly page. Both are ours to handle.
Paying for a petrol-in-diesel fuel drain around Ballykelly
What shifts the figure is laid out below, because the job isn't one job and our engineers can't truthfully put a single price on this page.
- This is the main one: whether the motor has been run, or driven.
- How much of the wrong fuel was put in, set against how much your tank can hold.
- The type of fluid in the tank, unleaded or AdBlue.
- Access: the car's position, and if working on it there is safe for our van.
A firm answer instead of a range is what you get for telling us three things: your vehicle, the quantity, and whether it has run. Motor at home, going nowhere, nothing pressing about it — is ideal for that.
Questions our engineers get about petrol in diesel in Ballykelly
Fuel drains on a Ballykelly petrol station forecourt
Plenty of what our engineers do gets done nowhere else. So yes. Often, provided the site agrees: another forecourt nearby, plus every other forecourt nearby. Say on the phone where precisely you have stopped. Whether our engineers can work in that place is something our technicians answer on the spot.
Is there a sensible quantity of petrol in a diesel?
Proportion decides it instead of litres — and more than either, whether your motor has run. A nearly empty tank with five litres in it, against a full one with the same five: separate situations, certainly. Either way, the work required comes down to one thing, which is whether your fuel system has had that mixture drawn through it.
I put petrol in my diesel and drove the car. Now what?
Stop safely. Off. Nothing after that. Driving takes the trouble along — out of your tank, into the pump and injectors. Drivers fear it a good deal more than the recovery rate warrants, mind. The one really valuable thing left to you is not restarting the vehicle.
Fuel drains and manufacturer warranties
It's not an alteration, so a drain then flush carried out properly doesn't cancel a manufacturer's warranty. Running a diesel on petrol is the thing more likely to cause a dispute with one, which is another reason to leave the car switched off.
Two-stroke oil in your tank, and then home?
Two-stroke oil solves a separate issue, and an old one at that. Nothing it does puts back what petrol diluted. No. Petrol remains in that tank afterwards, whatever else goes in, and your pump gets no break from it.
A main dealer for petrol in a diesel — essential?
There is no need to take it to a franchised dealer, as our engineers drain and flush the vehicle wherever it is.
Standing next to it?
The engine remains off.
If you have already driven the car, stop somewhere sensible, turn it off then keep it off. Cold and parked, a car is in the best position available — and people fear this far more than the recovery rate warrants.
Draining wrongly fuelled vehicles, Ballykelly and the rest of County Londonderry, wherever they are. Roadside. Forecourt. Home.