--- title: Drain Petrol From a Diesel Car — Burrowhill canonical: https://www.petrolinadieselcar.co.uk/petrol-in-diesel/burrowhill-surrey/ location: Burrowhill county: Surrey latitude: 51.357150 longitude: -0.607950 service: Petrol in a Diesel Car updated: 2026-10-15 --- # Burrowhill: Put Petrol in a Diesel Car? If you have not fired up the engine as yet, do not. A drain and nothing more is nearly always what a car needs while the petrol is still in the tank and the motor has not been started, which is why it is the following few minutes that matter, not how much was put in. Petrol in Diesel travels to the car wherever it has come to rest in Burrowhill or the remainder of Surrey, on the forecourt, by the roadside or on a drive, and drains and cleans it there. Ring us before everything else starts, and you will hear what happens after that. ## Petrol in a diesel: what to try next - Give a petrol engine diesel and it will normally refuse to run at all, and so the driver stops there and so does the harm. Give a diesel petrol and the thing starts, it idles, it drives off — all right for several miles. People have that backwards, which is the part they get wrong about petrol in a diesel in particular. So don't crank it. And having started, don't depend on it: the fuel system is wearing down whenever you drive. - Leave the ignition be as well. Diesel performs two jobs: it ignites, and before it combusts it protects that injection pump and those injectors. Petrol does the first and not the second. Turning the car's ignition on is frequently all it takes to prime your system, which draws the petrol out of that tank and into precisely those components. - Topping up clears nothing. It gives you a bigger tank of the same mixture, because a diesel fuel system will not tolerate petrol by percentage as that advice presumes — so never put diesel on top to dilute it. Octane is immaterial too: super unleaded is petrol. - Sit tight if it is safe to. Hazards on, engine off, leave the vehicle. Wherever you have stopped — the verge on Burrow Hill Green, anywhere — a difficult place for us is better than a started motor, and nothing is easier for us to sort than a vehicle that never moved. - Check where you are before phoning. A postcode starting GU24 8, and the name of whatever is next to you. Otherwise the technician circles instead of showing up. - Call 0333 366 0103. Prepare for three queries — what was put in, roughly how many litres, plus if your car has been run. Those answers decide everything that comes after. Petrol in a diesel Volkswagen Golf, left at Longcross since breakfast? The afternoon has cost you nothing — fuel sitting in a tank is idle. It was the journey in that pulled diluted diesel through the pump. Ring us before you collect the car. ## Pump-side draining for petrol in a diesel A large share of the job is finished at the pump, since that's where it often begins. We operate on petrol station forecourts regularly, with the station's consent, and so if you're still at Esso that is typically where this drain gets done. Nowhere else but a garage can it be halted with your engine still unstarted. Our technicians can still deal with it where it sits, even away from the pumps. In a car park, on a private drive or in a lay-by, the vehicle has been switched on and driven there, and that sucked fuel through the fuel filter and into the high-pressure pump, right from that tank. None of that is a disaster, but the flush then has to reach past the tank to the lines and the fuel filter, and the few seconds between reading the receipt and reaching for your key are what determine that. The staff will generally offer to wheel it out from the petrol pump so the next driver can get past. It is worth doing. Firing it just to move four vehicle lengths is not. The difficult part is the bay, not your fuel. Cars either side of you, a trolley shelter behind, and occasionally a height limit on the way in that determines whether a van can reach you at all — so when you phone from a car park like the one at Co-op Food, say how much space there's around you and which way round your car is. Those we visit regularly. Should there be no space to work beside the diesel Renault Megane, it gets shifted with your engine off, and not out of fuss over a couple of seconds of running: priming occurs at every start, more of the mixture departs that tank for the pump, and two shunts into a roomier spot have quietly made a bigger job of what was merely a car sitting still. ## Can we reach your corner of Burrowhill? Burrowhill is a residential suburb, so our team get out to it and to the places near it on the usual rounds: Chobham, Brick Hill, Penny Pot, Castle Green and Brook Place. Not on that list? That tells you nothing. The places above are only the closest few, and most places in Surrey have a page of their own elsewhere on our site. Call us and check instead of guessing, particularly where you are on the border or somewhere your satnav can't find. This map marks the area this page includes. The lot is territory our technicians cover: a roadside, a forecourt, a driveway, a car park. You do not drive your car anywhere. Twenty to nine. At the gates of St Lawrence CofE Primary School. Late already, and the receipt in your hand says unleaded. Switch your hazards on, leave your motor alone, then ring us. You might think three miles is nothing, in your BMW 3 Series or anything else — except that fuel is metered to demand, and a run taken in a rush asks for a great deal of it. ## Burrowhill: broken down wherever you pulled up Not everybody has a sensible place to stop. Hazards going in a lay-by somewhere, or pulled onto the verge beside Gorse Lane since you noticed after setting off — our technicians take that call often enough that it is the normal kind. Clear of the motor while it is not sensible to sit inside, beside it if it is. Do not fire it up to get to a better location. It'll go — a diesel on petrol generally obliges — and each mile of obliging pulls that blend deeper into the system. Carrying on does your car far more harm than a van heading out to a difficult location, and that is no trouble for us. ## So you've driven it? Petrol in a diesel over a few miles The M3 is the road that matters now, and it lies under 3 miles from Burrowhill. A misfuelled diesel will often take you onto it and some way along before anything seems wrong, and the symptoms when they appear are usually a loss of power, an uneven idle and smoke rather than a clean stop. Take the first exit that is sensible, pull up there, and don't start the vehicle to reposition. Long trip? Anything close to the under 25 miles to the nearest city and you should suppose the lot — filter, pump, injectors, all of it arrived at by the petrol. Say that on the phone, because it affects what goes in our van. ## Where's Burrowhill? Burrowhill is a suburban area in Surrey, situated on the riverside at an elevation of 37 metres, with semi-detached housing being the predominant type of accommodation. Burrowhill lies approximately 23 miles from London and is close to nearby places such as Chobham and Brick Hill. Burrowhill has a population of around 1260 residents and is characterized by its quiet riverside setting. Burrowhill is also near Penny Pot, another local area of interest. ## What follows when our technicians get to you in Burrowhill - Three things get asked before any quote — your fuel that got in, the quantity, and if anything has been run since. Each answer alters the work. - Your tank gets cleared completely. - Our engineers flush the lines and clean your filter, so what's left in your system isn't what started the issue. - Fresh diesel goes in, and then the system gets bled. - We fire it up and make sure it runs smoothly on fresh diesel. From that point, you're ready to set off. Our engineers do all of it wherever the car has come to a stop, which means it never has to be taken to a workshop, and when it has been spotted early, it is very unusual for there to be permanent damage. ## A different problem: AdBlue in a diesel tank in Burrowhill Never crank it: that first step stands whether what went in was AdBlue or petrol. What differs is the issue itself. The lubrication a fuel system relies on gets taken away by petrol, which dilutes your diesel. AdBlue? Urea dissolved in water. Tip that in with your diesel and you get rust instead, plus residue. AdBlue removal in Burrowhill has a page of its own with the full story on it, including why it is frequently the more serious of the two. Our engineers handle both. Most of these occur somewhere new, and the cause is mechanical rather than slapdash — practically no resistance meets a slimmer petrol nozzle entering a newer diesel filler neck. Two days into a diesel Audi Q5, a fill-up near Chobham Museum that you did not think about? Ring us from where you are. Courtesy and hire cars go further before anybody clocks it, and the further they go, the more petrol ends up at the injectors. ## What a petrol-in-diesel drain will cost in Burrowhill Our technicians cannot put one number on this page honestly, since this job is not one job. What changes it: - Whether the engine has been run or driven. This is the main one. - The tank's capacity, set against how much of the wrong fuel went into it. - Which went in: unleaded or AdBlue. - Access: the vehicle's position, and whether working on it there is safe for a technician. The vehicle, the amount, whether it has run — give us those and the answer comes back firm instead of as a range. If it isn't time-critical — the vehicle is at home and going nowhere — is fine too. What happens next is the issue. The engine at once pulls the petrol still resting in the filter and the feed lines back round through your pump a second time, because emptying a tank does nothing about fuel that has already left it. Drain it then put fresh diesel in, someone sure of themselves will tell you — and that suggestion is half right, because do it to a diesel Seat Leon parked up, Chobham Village Sign say, and the thing starts, which is what makes it sound plausible. Call us instead. Our engineers flush the circuit and take the fuel filter off where the car has a working one, and that is the difference between the vehicle being put right and the car simply starting. ## Petrol in diesel questions from Burrowhill motorists ## At a petrol station in Burrowhill, can you do a fuel drain there? A good portion of this work happens there, so yes. We attend BP and the other forecourts locally regularly, with the owner's agreement — tell us which one you are at when you call and we will tell you whether our engineers can work there. ## A few litres of petrol in a diesel — too much? It rests on the ratio instead of the litres, and far more on whether your motor has run. Five litres into an almost dry tank isn't five into a full one, no. But both land on the same query in the end: has that blend been drawn right through, or has it not? ## I drove the car after putting petrol in my diesel. What now? Turn off somewhere sensible, and keep it that way after you stop. Driving moves the problem along — out of your tank, into the pump and injectors. People fear it a good deal more than the recovery rate warrants, mind. The one really useful thing left to you is not restarting the vehicle. ## Fuel drains and manufacturer warranties 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 an argument is a diesel that has been run on petrol. One more good reason for your engine to remain off. ## Two-stroke oil in that tank, and then home? No. Two-stroke oil is an old fix for a distinct issue and it doesn't replace what petrol has diluted. That tank still has petrol in it later, and the pump still has to cope with it. ## Does petrol in a diesel have to go to a main dealer? No. Our technicians drain and flush your car wherever it is, so there is no need to bring it to a franchised dealer. ## You, and your vehicle, still together? The motor remains off. Already driven it? Then stop somewhere sensible, turn off, and let the vehicle remain that way. Cold and stationary, a motor is in the best position available — and motorists fear this a lot more than the recovery rate warrants. At the roadside, on the forecourt or at home — call-out fuel draining in Burrowhill and across Surrey.