--- title: What Now? Petrol in a Diesel Car Colinton Mains canonical: https://www.petrolinadieselcar.co.uk/petrol-in-diesel/colinton-mains-city-of-edinburgh/ location: Colinton Mains county: City of Edinburgh latitude: 55.912030 longitude: -3.233640 service: Petrol in a Diesel Car updated: 2026-10-25 --- # The Next Steps, in Order: Petrol in a Diesel Car in Colinton Mains Whatever you do, don't switch your engine on, even briefly, to move the vehicle. Stop; leave the vehicle off. Hasn't been run? Then petrol in a diesel tends to be a simple drain-and-flush job wherever the vehicle has stopped — and no other factor decides that more than the next few minutes do. Here is the sequence of things from now, wherever you're in Colinton Mains. ## Petrol in a diesel? What to do in minute one Before anything else, these — following this order. - Ignition off, keys out. Turned on, the ignition can prime the system — and priming is what draws petrol out of your tank into the components it harms. - No diesel on top. More fuel in removes none of that petrol — it just leaves you with extra of the same mixture. - Make your car simple to see before anything else — hazard lights on — if there is traffic going past anywhere near you. - The attendants will usually help you roll it clear of the petrol pump. Let them, and roll it by hand — not on the motor, even for a couple of yards. - The first thing you will be asked is which fuel you put in and roughly how much — and the receipt shows both. Hold on to it. On the M8, under 5 miles from Colinton Mains, the next exit is the place to leave the vehicle; anywhere, the first sensible location to stop. Don't push on to the services. Then go back to stage one. ## The fork in each Colinton Mains fuel drain: has it run yet? What happens next rests on one answer, and just one. Not run, not even once: - All the petrol sits inside your tank, and only there. - The work is a simple drain and a flush, normally done where the car stands. - This, here, is the best position to be in, and the reason step one counts. Run at all, even for a second: - From that tank, through the fuel filter, into your lines: that's how far that petrol has travelled. - A bigger run takes it right through to the high-pressure fuel pump and the injectors. - The further it went, the bigger this job — your lines, the fuel filter, and sometimes more besides. Diesel keeps the high-pressure pump and the fuel injectors protected as it goes through them. Petrol gives them nothing, and that is why the line is drawn there. Petrol resting in a tank harms nothing. Once it's pumped, petrol begins wearing down whatever moves it. ## What to have ready when you call about petrol in a diesel from Colinton Mains Whether the technician circles or finds you depends on a little preparation. - EH13 9 and the remainder of the postcode makes the ideal way to start telling us where you are. - A road name is a help: Firrhill Loan, say, or whichever street you've stopped in. A car park works too. - Describe a car park by what it serves — the one at Tesco, for instance — and it's much easier to find. - Say what the car is — make, model — and confirm it's diesel. - What got in. Petrol, or AdBlue. AdBlue is a separate job with its own page for Colinton Mains, so tell us which. - Roughly how much — in litres from the receipt, or by how long the nozzle stayed in. - If it's run, how far and how hard — as well as if it's run at all. - The owner may have to approve this work under some hire or company contracts — which is why it is faster to settle whose vehicle it is before our engineers get there. Next, 0333 366 0103. Not time-critical, your car left at home with nowhere to be? Then works as well. ## While you wait for a fuel drain around Colinton Mains During the wait, the harm comes from kindly meant help — which is why these matter. - Where the car has stopped decides where you wait. Exposed: away from it, away from the traffic. Sensible: with it. Either way, safety before the car. - No one starts it. Not a passer-by being helpful, not to check it is all right, not to roll it a couple of yards. - Additives stay in the boot. Injector cleaner and two-stroke oil take none of that petrol out once more. - A home-made drain leaves your fuel that has already gone beyond that tank, and siphoning petrol by the road is dangerous besides. - Not for the radio, not for the windows: your ignition stays off. ## Step by step: your fuel drain when the van arrives - Three questions. What was put in, how much, and if it's run. The answers decide the job, which is why our quote comes after them and not before. - Next the tank is cleared, so the polluted fuel comes out. - Petrol that has shifted beyond your tank travels in the fuel lines once it ran, and your lines are rinsed to clear it. - Cleaned, or swapped if your car has a workable one: your filter is sorted next. - Fresh diesel goes in, and the system is primed. - Starting the car. After the fuel system is primed with fresh diesel, we fire it up and check it runs smoothly. Only once it's running on new diesel do we go. If it has been caught soon, lasting damage is very rare, and the car goes back to normal driving right away. ## After the fuel drain: back on the road around Colinton Mains - Started on new diesel, it asks nothing special of you. Just drive normally. - Watch the first miles. A warning light, smoke, a rough idle or a flat spot under the throttle means pull over then ring us back. - Keep your documents. A hire company, a fleet manager or an insurer may ask what was carried out. - Next time, trust the pump's label rather than the colour of its handle. ## About Colinton Mains and where it is Colinton Mains is a suburban area located on the riverside in the City of Edinburgh, with a mix of housing types but predominantly flats. Colinton Mains sits near the Water of Leith, at an elevation of around 116 metres, and is close to neighbouring areas such as Oxgangs and Dreghorn. Colinton Mains is situated approximately 3.3 miles from Edinburgh city centre, making it a popular residential choice. Colinton Mains has a population of around 5759 people, according to recent estimates. ## Fuel drains round Colinton Mains and beyond Oxgangs, Dreghorn and Greenbank are served by the same teams that take petrol in diesel jobs in Colinton Mains — and so is most of City of Edinburgh beyond. Ring and ask instead of assuming if you're somewhere hard to explain or near a border. ## Petrol in a diesel in City of Edinburgh? Leave it off then ring Step one is all of it: engine off, keys out, receipt in your pocket. From there Petrol in Diesel takes over, at the forecourt, by the roadside or on your driveway.