Highfield: Put Petrol in a Diesel Car?
If you have not started the motor as yet, don't. A fuel drain and nothing else is nearly always what a car needs while the fuel is still in your tank and the engine has not yet run, which is why it's the coming few minutes that matter, not how much was put in. Petrol in Diesel travels to your car wherever it has come to rest in Highfield or the remainder of South Yorkshire, on the forecourt, at the roadside or on a drive, and drains and flushes it there. Just one ring our way will be enough: our engineers can show you what comes from here. Do that first.
Petrol in a diesel: what to try now
- Feed a petrol engine diesel and it will usually refuse to run at all, and so the driver stops there and so does the wear. Give a diesel petrol and the thing starts, it idles, it pulls away — fine for a few miles. Motorists have that reversed, which is the part they get wrong about petrol in a diesel especially. So do not crank it. And once started, do not trust it: the fuel system is wearing down whenever you drive.
- Turning your ignition on often primes that system, and priming is what carries petrol out of your tank then into the pump and injectors. Those are the components diesel keeps oiled on its way through, before it combusts. Petrol handles the burning and none of the oiling. Leave your ignition off.
- Topping up removes nothing. It hands you a larger tank of the same mixture, because a diesel fuel system will not cope with petrol by percentage the way that advice suggests — so do not pour diesel on top to water down it. Octane is immaterial too: super unleaded is petrol.
- Stay put if it is wise to. Hazards on, engine off, keep the vehicle. Wherever you have stopped — the verge on Edderthorpe Lane, anywhere — a tricky place for us trumps a started engine, and nothing is simpler for us to sort than a car that never moved.
- Before you ring, work out your position. Anything next to you with a sign on it, plus a postcode beginning S73 9 — that's what settles whether our van arrives or circles.
- Dial 0333 366 0103. Prepare for three queries — what got in, about how many litres, plus whether your car has been turned over. The responses settle everything that happens next.
Can petrol be pumped from your diesel at a forecourt?
A good share of this work gets done at the pump, as that's where it usually kicks off. If you're still at the forecourt at Texaco, that is normally where the drain gets done — we work on petrol station forecourts regularly, with the site's agreement.
Nowhere else other than the forecourt can the mistake be stopped with the motor still unstarted. Our engineers can still deal with it where it stands, even away from the pumps. In a car park, on a driveway or in a lay-by, the car has been fired up and driven there, and that pulled fuel through the filter and into your high-pressure pump, all the way from the tank. None of that is a calamity, but the flush then has to reach past that tank to the fuel lines and the filter, and the few seconds between checking the till receipt and going for the keys are what settle that.
Push the vehicle out of the way if the staff offer, and they generally will. The next motorist gets past the pump, and that is worth doing. Four vehicle lengths isn't worth a restart.
Car parks like the one at The Co-operative Food are somewhere we attend all the time, and the fuel is hardly ever the complicated part. The bay is: vehicles either side, a trolley shelter behind, occasionally a height bar on the way in that settles if a technician can get to you at all. So tell us how boxed in you are when you phone, and which way your car is pointing. If our technicians can't work next to the diesel Renault Megane we will shift the car without firing it — and that is not fussiness about a couple of seconds of running. Every start primes that fuel system and pulls more of that blend out of that tank and on to your pump, and so a motor shuffled twice into a better space has silently grown into a harder job than one left just where it stopped.
Diesel has to be heavy enough to seal the tightly fitted components it runs through, and petrol thins it. That's the entire process, and it accounts for the usual Darfield Park call: a diesel Audi A4 that drove out there without fuss and came back down on power, lumpy at idle, maybe smoking a little. A diesel injection system works hydraulically as well as chemically — it requires your fuel to hold pressure, not just to burn — so when your fuel weakens, pressure that should build and stay built starts bleeding past tolerances instead, and your engine gets a poorer, later, less even delivery than it was designed about. No part of that is the motor failing, which is the bit worth hearing: it's your fuel no longer behaving like diesel, and it stops when the fuel is corrected.
Why so direct about leaving your keys alone? Since the pump is before the injectors, and a worn one sends whatever it gives off onward with your fuel. Ring us. Leave the Mercedes C-Class by Darfield Library.
Hire car or company car? Call them before you ring us — some agreements want the hire firm to approve the work, and sorting that out first is a great deal faster than sorting it afterwards. Then phone us about the Vauxhall Astra close to Darfield Cenotaph, and don't worry that you can't say how full the tank was. Almost no one can, in a motor they picked up two days ago, and we work it out on the spot. The reason our technicians ask is that petrol in a diesel does its harm as a proportion: the same few litres in a nearly empty tank is a far stronger mix than in a full one. Petrol is rated on how well it resists igniting under pressure, which is the opposite of what a diesel needs — so the stronger the mixture, the more it knocks, smokes and goes flat.
A couple of streets, then it stopped. Throttle dead, idle uneven, and your diesel Volvo XC60 is parked up close to Maurice Dobson Museum. The engine isn't giving up — that softness is fuel that won't build pressure. There's no light on the dash for it, and so cars like yours usually get driven again before anyone picks up the phone. Do not. Off, then phone us.
Places our vans serve in Highfield
Darfield, Edderthorpe, Little Houghton, Low Valley, Middlecliffe — all of these on our trips that carry us out to Highfield itself, a residential suburb.
If yours is not on this list that does not mean we never come — there are dedicated pages for the majority of towns across South Yorkshire, and the ones listed above are merely the immediate neighbours. Contact us and enquire rather than guessing — boundaries above all, and wherever the satnav tends to struggle with.
That map shows the patch the page covers. We work by the road, at forecourts, on driveways and at car parks over all of that, and your vehicle never needs to come to us.
Roadside stops around Highfield
Not everybody finds a suitable place to stop. A routine call for us rather than an unusual one: noticed after setting off, finished up on the verge beside The Paddock or in a lay-by with your hazards on.
Whether you remain with the car or step away from it depends on whether being there feels sensible. Don't start up your engine to nurse the vehicle somewhere handier — a diesel running on petrol will usually oblige, and every mile it obliges for is dragging the mixture further into the fuel system. However awkward the location, it's no bother for us to get to it, and that is much better for the car than driving on.
A few miles on petrol in a diesel: now what?
This is where your M1 counts, under 5 miles away from Highfield. It will frequently get you onto it, and some way along, before you notice a thing. Then it's some smoke, a rough idle and power ebbing away — not a neat stop. Misfilled diesels seldom give you one of those.
The first sensible junction is the one to take. Turn off there, then leave the restarting alone. Presume the worst of it on a long run. Anything close to the under 15 miles to the nearest city, and the contamination has been through the filter, through your pump, through your injectors. Mention it when you ring. What our technicians bring differs.
A bit about Highfield
Highfield is a suburban area in South Yorkshire, situated near the River Don at an elevation of around 55 metres. Highfield lies approximately 10 miles from Doncaster and is close to nearby places such as Darfield and Little Houghton. Highfield has a population of around 3548 people and is characterised by semi-detached housing. Highfield is located about 150 miles north of London, in the Yorkshire and the Humber region.
What we do when our engineers reach you in Highfield
- Our technicians ask first, quote after. What went in? How much? Has the engine run? Those responses change what the work really is.
- The tank gets drained of it.
- We flush the lines and clean the filter, so what's remaining in the system is not what caused the issue.
- Our engineers put fresh diesel in and prime the fuel system.
- After it is fired up, our engineers confirm it runs properly on clean diesel.
The car is then ready for you to pull away. Our engineers do all of this wherever the car has ended up, which means it never needs to be taken to a workshop, and if it has been spotted soon, it's very rare for there to be lasting damage.
A distinct job: AdBlue in a diesel tank in Highfield
AdBlue rather than petrol? Then the first rule is unchanged — your motor remains off — while the issue beneath it is a separate one altogether. Weakened diesel, and no lubrication left for your fuel system that relies on it. That's petrol. AdBlue? Urea dissolved in water. Pour that in with the diesel and you get corrosion instead, plus deposits.
Both are ours. There's a separate Highfield page for AdBlue removal, with the full story on it — including the reasons it usually turns out to be the worse of the two.
What a petrol-in-diesel drain costs in Highfield
One number would not be honest here, since this is not one job. These are the things that move it:
- Whether your engine has been run or driven. This is the key one.
- The tank's capacity, set against how much of the wrong fuel went into it.
- Whether it was unleaded or AdBlue.
- Where is it? And can a technician get to it and work there sensibly?
Tell us what your car is, how much got in, and if the motor has run. A straight answer comes back, not a range. Not pressing, with the car at home and going nowhere? Then does this job.
Questions we hear about petrol in diesel around Highfield
Fuel drains on a Highfield petrol station forecourt
Yes, and it is where a good share of this work gets done. Consent from the site is the condition. Given that, a forecourt like another forecourt nearby is somewhere we are often enough, along with the rest of them locally — so name yours on the call and you will hear whether working there's possible.
How much petrol in a diesel is too much?
Litres aren't the yardstick. Ratio is, and a lot more than either, it matters whether anything has been run. An almost empty tank with five litres in it, against a full one with the same five: different situations, certainly. Either way, the work required comes down to one thing, which is if the fuel system has had that mixture drawn through it.
I drove the vehicle after putting petrol in my diesel. Now what?
Stop sensibly. Off. Nothing after that. It's fixable much more regularly than drivers assume, even though driving is what takes the trouble from that tank into the pump and injectors — and the single most useful thing you can do now isn't restart it.
Is a fuel drain going to void my warranty?
It isn't an alteration, and so a drain and flush carried out properly doesn't invalidate a manufacturer's warranty. An argument over a warranty is likelier to come from running a diesel on petrol — so leave it turned off.
Two-stroke oil in your tank, and then home?
What petrol has weakened isn't put back by two-stroke oil, which is an old fix for a different issue. So no. The pump still has to put up with it, because the tank still has petrol in it after that.
Do I need a main dealer for petrol in a diesel?
Wherever the vehicle is, we drain and flush it there, so a visit to the main dealer doesn't come into it.
Standing next to it?
Turned off is the way it stays.
Driven it already? Then somewhere sensible, stop, switch off, and no restarting the vehicle after that. A still, cold car is the best position to be in, and this is recoverable from a lot more frequently than people fear.
Draining wrongly fuelled cars, Highfield and the rest of South Yorkshire, wherever they are. Kerbside. Forecourt. Home.