--- title: Petrol in a Diesel Car Murieston — Fuel Drain canonical: https://www.petrolinadieselcar.co.uk/petrol-in-diesel/murieston-west-lothian/ location: Murieston county: West Lothian latitude: 55.867510 longitude: -3.501100 service: Petrol in a Diesel Car updated: 2026-10-05 --- # Put Petrol in a Diesel Car in Murieston? With your tank still holding the petrol and the engine not yet run, nearly every job requires only a drain, so keep the engine off. That result is settled in the minutes immediately after filling up, rather than by the amount that went in. Throughout Murieston and the rest of West Lothian, Petrol in Diesel drains your car and flushes it where it sits, whether by a roadside, on a driveway or at a forecourt. Our technicians will show you what your next step will be. Phone — that happens before everything else. ## The first five steps: petrol in a diesel - Do not fire it up. Fired up regardless? Then don't depend on it. Diesel in a petrol vehicle usually will not run, and so the person stops and the wear halts with them. Petrol in a diesel? It starts. It idles. It pulls away normally, for a couple of miles. People get that muddled. It is not all right — that fuel system is grinding every mile you drive. - Leave your ignition be as well. Diesel does two roles: it ignites, and before it ignites it lubricates that high-pressure fuel pump and those injectors. Petrol handles the first but not the second. Turning the ignition on is commonly enough to prime your system, which pulls the petrol out of the tank then into exactly those parts. - That guidance assumes a diesel fuel system handles petrol by percentage. It will not. Tip diesel on top and nothing at all is cleared; what you end with is a larger tank of the same mixture. And no, the type makes no difference — super unleaded is still petrol. - Stay still if it's safe to. Hazards on, engine off, leave it. Wherever you have stopped — the verge on Murieston Drive, anywhere — an awkward spot for us beats a started engine, and nothing is quicker for us to deal with than a vehicle that never shifted. - Before you phone, get your location. Anything closest to you with a label on it, plus a postcode beginning EH54 9 — that is what decides whether the van arrives or circles. - Call 0333 366 0103. Expect three queries — what went in, about how much, and whether your car has been turned over. The responses determine whatever comes after. Tonight, please, not Monday. Driving it home is the one thing not to do: a commute has put real quantity through your pump already, petrol-thinned diesel and plenty of that, and the return leg would roughly double the figure to no gain. The Volkswagen Passat can sit at Livingston South perfectly safely. Ring from the platform if quicker; standing over us while our technicians work is not necessary. ## Forecourt draining for petrol in a diesel The work kicks off at a pump, usually. Often enough it ends there too. The drain typically happens there and then. Still on the forecourt at Shell? Given the station's agreement, that is somewhere our technicians work, and regularly. At a garage, it gets caught with your motor never fired, and nowhere else manages it. Our technicians can still deal with it where it is, even away from the pumps. In a car park, on a private drive or in a lay-by, the car has been fired up and driven there, and that pulled fuel through your filter then into the high-pressure fuel pump, all the way from your tank. None of that is a catastrophe, although the flush then has to go past your tank to the fuel lines and the fuel filter, and the few seconds between reading your receipt and going for the keys are what determine that. Staff will generally pitch in pushing it clear of the petrol pump, which lets the next customer get past. Accept the assistance. Firing it over four vehicle lengths? No. ## Areas our team reach in Murieston Bellsquarry, Dedridge, Almondvale, Livingston, Adambrae — each of them on the runs that bring us across to Murieston too, a residential suburb. There are dedicated pages for most towns across West Lothian, and the ones listed above are merely the immediate neighbours — so yours being absent from that list means nothing whatsoever about if our engineers come. Near the border, or anywhere your satnav gets wrong? Contact us to enquire rather than assuming. The map marks the patch this page spans. The lot is territory our technicians work: a roadside, a forecourt, a private drive, a car park. You never move the vehicle anywhere. Move the vehicle out of the gateway and fix it later — that's what a passer-by will say, and it is wrong. Sitting on the zig-zags outside the local primary school, a misfuelled diesel Audi A4 is a hassle and nothing worse. Fired up three more times for politeness, it's no longer a tank fault but a fuel system one, as priming happens with every start and more petrol goes through your filter towards your pump. Let them moan. Call us. ## Stuck on the kerb anywhere in Murieston? Not everybody gets a chance to stop anywhere suitable. If you noticed after setting off and finished up by the verge on East Kip Walk, or in a lay-by somewhere with the hazard lights going, that is a routine call for us instead of an odd one. Out of the car when it isn't wise to be inside, with it if it is. Never restart the engine to limp it somewhere handier — a diesel running on petrol will frequently oblige, and every mile it obliges for is drawing that mixture further into the fuel system. However difficult the spot, it's no problem for us to come to it, and that's much better for the vehicle than carrying on. A diesel Ford Focus parked in the parking area by the pub in the village carrying a tank full of petrol in it is an easy job, right up till somebody drives it home. Leave the car overnight and phone us first thing. Nothing worsens as it sits. What our technicians will want to know is whether that trip there was brief and chilly, because that's where petrol is least likely to burn correctly — and whatever won't burn can slip past the piston rings then into the engine oil. ## Petrol in a diesel, and the motor has rolled This is where the M8 comes in — under 5 miles away from Murieston. Lost power, an uneven idle, some smoke: those are the signs when they arrive, instead of a clean stop — and a wrongly fuelled diesel will usually take you onto it and some way along before anything feels wrong at all. Do not start it to move it. Come off at the next sensible junction and switch off. Long drive? Anything approaching the under 15 miles to the nearest city and you should presume the lot — filter, pump, injectors, all of it got to by the mixture. Say that on the call, as it changes what goes in the van. Never drive it home to buy yourself time. You already have it: nothing gets worse whilst your car waits, because a diesel BMW 1 Series left outside Livingston Cricket Club is doing none of what it did on the way there. Your pump has stopped turning. ## A little about Murieston Murieston is a suburban area situated on the shores of a lake in West Lothian, with a mix of detached housing and local amenities. Murieston sits at an elevation of 164 metres, overlooking the surrounding countryside and providing views of the nearby water. Murieston is located near several other suburban areas, including Bellsquarry, Dedridge, and Almondvale, and is approximately 13.5 miles from Edinburgh. Murieston has a population of around 2313 residents, living in predominantly detached homes. ## What our technicians do when our engineers reach you in Murieston - We find out what got in, how much, and if your engine has run. The responses alter the work, which is why our engineers ask before giving a price. - That tank is emptied of everything. - Fuel lines are rinsed through and the filter cleared, leaving nothing in your system that created any of this. - Priming follows, once clean diesel is in. - It's fired up with new diesel in it, and our engineers make sure that it's running correctly. That leaves your car ready to drive away. Long-term damage is very unusual when it has been caught soon, and as all of it is done where your car is, it never has to be taken to a garage. ## AdBlue in a diesel tank in Murieston is a separate job AdBlue instead of petrol? Then the first instruction is unchanged — the engine stays off — while this problem beneath it is a different one altogether. Petrol weakens your diesel and takes away the lubrication your fuel system depends on. AdBlue is urea in water, and in a diesel tank it brings corrosion and residue instead. Both are ours. There is a separate Murieston page for AdBlue removal, with the full story on it — including the reasons it often turns out to be the worse of the two. Knocking? Lumpy idle? White smoke, throttle gone dead? That is your wrongly fuelled Citroen C3, a diesel, saying what's wrong with it. Stop wherever you happen to be, possibly close to 9th West Lothian (Dedridge) Scout Group, and leave the restarting alone. ## Murieston pricing for a petrol-in-diesel drain What moves the figure is laid out below, because the job isn't one job and we can't frankly put a single number on this page. - This is the key one: whether your engine has been run, or driven. - Wrong fuel in, against what the tank takes — that proportion. - Whether it was unleaded or AdBlue. - Whether a van can safely get to the vehicle and work on it, which depends on where the car is. The car, the quantity, whether it has run — give us those and the answer comes back firm and not as a range. Not urgent, with your car at home and going nowhere? Then works. ## Murieston drivers ask us these about petrol in diesel ## Can you do a fuel drain at a petrol station in Murieston? Yes — forecourts are where a big share of this happens. Tell us which one you're at when you ring and we'll tell you if we can work there. With the owner's permission our engineers visit Asda and the other forecourts nearby routinely. ## Is there a sensible amount of petrol in a diesel? It rests on the ratio instead of the litres, and a lot more on whether the engine has run. A nearly empty tank with five litres in it, against a full one with the same five: different scenarios, of course. Either way, the work required comes down to one thing, which is if the fuel system has had that blend sucked through it. ## Already driven it with petrol in your diesel? Now what? Stop safely. Off. Nothing after that. It's salvageable far more commonly than people fear, even though driving is what shifts the problem from your tank into your pump and injectors — and the single most valuable thing you can do now isn't restart it. ## Fuel drains and manufacturer warranties It isn't a modification, and so a drain and flush carried out correctly does not cancel a manufacturer's warranty. A disagreement over a warranty is likelier to come from running a diesel on petrol — so leave it turned off. ## Could I put some two-stroke in and just drive? No. Two-stroke oil is an old workaround for a distinct fault and it doesn't restore what petrol has weakened. The tank still has petrol in it later, and the pump still has to put up with it. ## Main dealers and petrol in a diesel There's no need to take it to a main dealer, because we drain and clean your car wherever it is. ## Still with the car? Keep it switched off. If you have already driven it, pull in somewhere sensible, turn it off then keep it off. This is recoverable from a lot more frequently than people assume, and a still, cold car is the best position to be in. On-site fuel draining around Murieston and across West Lothian — at the kerbside, on the forecourt or at home.