Town Centre: Put Petrol in a Diesel Car?
If you have not started your engine yet, do not. A fuel drain and nothing more is nearly always what a vehicle requires while the petrol is still in your tank and the motor has not yet turned over, which is why it's the following few minutes that count, not how much was put in. Petrol in Diesel comes to the vehicle wherever it has ended up in Town Centre or the remainder of Fife, on the forecourt, at the roadside or on a driveway, and drains and flushes it there. Our engineers can show you what the following part will be. Phone — this happens ahead of all else.
What to try first about petrol in a diesel
- While you drive, your pump and your injectors wear down. That's why you do not start it, and why you don't depend on it once it has started. The thing about petrol in a diesel in particular — the part drivers get wrong — is that it drives away fine for the first mile or two. Diesel in a petrol engine generally cannot run at all, which stops the driver and stops the wear with them. This one lets you drive on.
- Leave the ignition alone also. Diesel does two roles: it burns, and before it burns it greases that injection pump and its injectors. Petrol manages the first and not the second. Turning your ignition on is often all it takes to prime that system, which pulls that petrol out of the tank then into precisely those parts.
- That advice assumes a diesel fuel system accepts petrol by percentage. It won't. Add diesel on top and nothing at all is taken out; what you get is a fuller tank of the same blend. And no, the type makes no difference — super unleaded is simply petrol.
- Stay where you are if you safely can. A motor that has never moved is the quickest one to sort, and we would much rather travel to an awkward location than have it started. If you're parked on the verge on Church Street, put the hazards on and leave the vehicle there.
- A van turning up instead of circling hinges on two things: a postcode that starts KY7 4, and whatever is next to you with a sign on it. Get both ready before you dial.
- Call 0333 366 0103. Expect three queries — what went in, approximately how many litres, and whether your car has been turned over. Those replies determine whatever comes after.
Quarter past eight. A rushed fill on the drive in. Around eleven it occurs to you, and by then the diesel Volkswagen Golf has sat outside Markinch for three hours. Ring us then keep the car where it stands. What matters is the drive in, as diesel both ignites and — before that — lubricates your pump and the injectors, while petrol only ever burns. Those couple of miles worked the pump on a liquid drained of much of its protection, and no amount of standing in a car park puts any of it back. Hence the question about miles rather than hours sitting, and hence the advice to leave your keys where they are until we arrive.
It will fire up. It will move off quite happily. That is the trouble, since a diesel on a diluted tank behaves typically while wearing the components its fuel should be protecting. So no, never chance the trip home from The Phoenix — leave the Mercedes E-Class and phone us.
Out there happy, back gutless. If that was the drive to Warout Walk Playpark, look at your tank. Diesel gets diluted by petrol, and thin fuel seeps past the close gaps meant to build injection pressure — so every extra mile the diesel Audi A3 covered, the less pressure it held onto. Somewhere sensible, turn off, phone us.
Leave the BMW 5 Series by Ex Terra then phone us. We're firm about not driving on as a wearing pump sheds, and what it sheds passes downstream with the fuel to the injectors beyond it.
A couple of streets, then it stopped. Throttle dead, idle ragged, and your diesel Peugeot 208 is parked up by The Dream. The motor is not giving up — that sluggishness is fuel that will not build pressure. There's no light on the dash for it, so motors like yours usually get driven again before somebody picks up the phone. Do not. Off, then ring us.
Draining petrol from the diesel at the forecourt
Forecourts are where this work usually begins, and where a large portion of that finishes. We operate on station forecourts routinely, with the site's agreement, so if you are still at Shell that is typically where the drain happens.
Before the motor has fired — a forecourt is the only setting the mistake is spotted. The few seconds between reading your receipt and reaching for the key decide how much requires rinsing. Everywhere other than the forecourt — a car park, a private drive, a lay-by — your car was fired up and driven to get there, so fuel was pulled from your tank, through your filter then into the high-pressure pump. That means the fuel lines and the fuel filter need cleaning as well as that tank. It's not a calamity, and our engineers can still sort it out where your car stands.
The attendants will generally offer to wheel the vehicle away from the pump so the next customer can get past. That's worth doing. Cranking it just to shift four vehicle lengths isn't.
Town Centre and the places beside it
Town Centre is a residential suburb, and we head out to the town and to anywhere around it on the same rounds: Glenrothes, Auchmuty, Queensway, South Parks and Rimbleton.
There are pages for the majority of locations in Fife, and the ones mentioned above are merely the immediate neighbours — so yours being absent from this list says nothing at all about whether our engineers come. Near the boundary, or anywhere your phone can't find? Phone to check instead of guessing.
The map marks the ground this page spans. Your car does not need to move to us. We work across the lot — roadside, forecourts, driveways, car parks.
Stranded on the roadside near Town Centre
A chance to pull in somewhere sensible does not come to everybody. Hazards on at a lay-by somewhere, or pulled onto the verge on David Road as you noticed after setting off — we take that call regularly enough that it is the ordinary kind.
Fine where you are? Stay with it. Not okay? Climb out and away from it. Every mile a diesel obliges you for on petrol draws the mixture further into the system — and oblige it usually will, which is why your motor doesn't get restarted to limp somewhere safer. A van coming to a difficult place is no problem for us, and it's a lot better for the vehicle than carrying on.
Already run it? Petrol in a diesel after a couple of miles
Here is where the M90 comes in — under 10 miles from Town Centre. A drop in power, a lumpy idle, smoke: those are the signs when they come, rather than a tidy stop — and a misfuelled diesel will often get you onto it and some way along before anything seems wrong at all.
The next sensible exit is the one to take. Switch off there, then leave the restarting alone. It changes what we bring, and so say so when you ring: on a longer trip — anything approaching the under 15 miles to the nearest city — take it the contamination has been through the filter, the pump and the fuel injectors.
A bit about Town Centre
Town Centre is a suburban area located on the riverside in Fife, with a mix of terraced housing and local amenities. Town Centre sits at an elevation of 88 metres, near the towns of Glenrothes and Dunfermline, and is part of the wider network of communities in the region. Town Centre is connected to nearby places like Auchmuty and Queensway, and is around 14 miles from Dunfermline. Town Centre has a population of approximately 3577 residents.
What follows when our technicians reach you around Town Centre
- The answers change the work, which is why our engineers ask before giving a price: what was put in, how much of it, and if your motor has run.
- Our technicians drain that tank of the contaminated fuel.
- Lines cleaned, filter cleared. Whatever remains later on is not the thing that created the trouble.
- Fresh diesel goes in, and then your system gets primed.
- It's fired up with fresh diesel in it, and our technicians make sure that it is running correctly.
From that point, you're ready to drive away. There's no need for a garage at any stage, because the work is all done where the car is, and when it's spotted early, long-term damage is very rare.
AdBlue in a diesel tank around Town Centre is a different job
Do not start it: that first rule holds whether what went in was AdBlue or petrol. What changes is this problem itself. The lubrication a fuel system depends on is taken away by petrol, which thins your diesel. AdBlue? Urea dissolved in water. Pour that in with the diesel and you get rust instead, plus residue.
Frequently the more significant of the two, AdBlue — and the details sits on its own Town Centre page. Both are ours to deal with.
How much is a petrol-in-diesel drain in Town Centre?
One price would not be fair here, since this is not one job. These are the things that change it:
- Started? Driven? Either answer counts more than anything else on this list.
- How much of the wrong fuel got in, set against how much your tank takes.
- Which was put in: petrol or AdBlue.
- Access: the vehicle's position, and whether working on it there's safe for a technician.
Tell us your car, the quantity and if it has run, and you'll get a clear answer rather than a range. If it isn't time-critical — your car is at home and going nowhere — is fine too.
Petrol in diesel: common queries in Town Centre
I am on a forecourt in Town Centre. Can you drain it on the spot?
Yes — forecourts are where a fair share of this takes place. Our technicians visit Morrisons and the other forecourts nearby routinely, with the site's consent — tell us which one you are at when you phone and we will tell you whether our engineers can work there.
How much petrol in a diesel is too much?
Proportion settles it instead of litres — and more than either, whether your engine has run. What settles how much work is needed is if that mixture has been pulled through your fuel system — because though five litres in a nearly empty tank is a distinct case from five in a full one, either way that's the query.
Already driven it with petrol in your diesel? What then?
Somewhere sensible, then stop, then switch off and leave it off. Driving moves the problem along — out of the tank, into the pump and injectors. Motorists fear it a good deal more than the recovery rate warrants, mind. The one truly valuable thing left to you is not restarting the vehicle.
My warranty — does a fuel drain void it?
A drain and flush carried out properly isn't a modification and doesn't void a manufacturer's warranty. Another reason to leave it turned off: running a diesel on petrol is the thing more likely to cause a disagreement with one.
Could I put some two-stroke in and just drive?
Two-stroke oil solves a different fault, and an old one at that. Nothing it does puts back what petrol weakened. No. Your pump still has to put up with it, as the tank still has petrol in it later on.
Does petrol in a diesel have to go to a main dealer?
There is no need to take it to a franchised dealer, since our technicians drain and flush the car wherever it is.
Still with the vehicle?
Your engine stays off.
Turn it off somewhere sensible and leave it off, if you have already driven it. This is recoverable from far more often than people assume, and a parked, cold motor is the best position to be in.
On-site fuel draining around Town Centre and throughout Fife — at the kerbside, on the forecourt or at home.