--- title: Petrol in a Diesel Car Potterswood — Fuel Drain canonical: https://www.petrolinadieselcar.co.uk/petrol-in-diesel/potterswood-gloucestershire/ location: Potterswood county: Gloucestershire latitude: 51.457150 longitude: -2.511810 service: Petrol in a Diesel Car updated: 2026-10-11 --- # Petrol in a Diesel Car in Potterswood If you have not fired up your engine yet, don't. A fuel drain and nothing else is almost always what a vehicle requires while the fuel is still sitting in your tank and your engine has not yet run, which is why it's the next few minutes that matter, not how much went in. Petrol in Diesel travels to the vehicle wherever it has ended up in Potterswood or the rest of Gloucestershire, on the forecourt, at the roadside or on a drive, and drains and cleans it there. Contact us so our engineers can show you what follows next before you attempt anything else. ## Petrol in a diesel: what to try now - Feed a petrol engine diesel and it will usually not run at all, and so the motorist stops there and so does the damage. Give a diesel petrol and the engine starts, it ticks over, it pulls away — fine enough for several miles. Most people have that reversed, which is the part they get wrong about petrol in a diesel in particular. So don't start the car. And if started, do not believe it: the fuel system is wearing down as you drive. - Switching the ignition on usually primes the system, and priming is what moves petrol out of that tank then into the pump and injectors. Those are the parts diesel keeps protected on its way through, before it combusts. Petrol handles the burning and none of the protecting. Leave your ignition off. - Never thin it. Diesel added on top takes out nothing, and so all you get is more of what was already there, since percentage is not how a diesel fuel system copes with petrol. Super unleaded? Still petrol. The grade makes no difference. - Sit tight if it is safe to. Hazards on, engine off, leave the car. Wherever you have stopped — the verge on Fogarty Park Road, anywhere — an odd location for us beats a started engine, and nothing is simpler for us to sort than a vehicle that never shifted. - Our van turning up rather than circling turns on two things: a postcode starting BS15 8, and whatever is nearest to you with a name on it. Have both prepared before you ring. - What was put in, approximately how many litres, plus if your car has fired — the three facts settle your whole call-out. Phone 0333 366 0103 then tell us. ## Forecourt drains for petrol in a diesel Much of the job starts at the pump, meaning a fair chunk of that ends up finished there. Still at Saintsbury's? Then that's generally where it takes place. Station forecourts are routine for us, with the permission of the owner. No place except a garage can this be spotted with your engine still unrun. The few seconds between seeing the receipt and going for the key determine how much requires rinsing. Everywhere other than the forecourt — a car park, a private drive, a lay-by — the vehicle was started and moved to get there, so fuel was pulled from the tank, through your filter then into your high-pressure pump. That means your lines and the filter require cleaning as well as your tank. It's not a disaster, and we can still put it right where your car stands. Clear of the petrol pump, the next motorist can get through — so yes, let the attendants help you push it. Worth doing. Starting the car to roll four car lengths is not. If you've put petrol in your diesel Volkswagen Passat in Potterswood and you're now stuck outside Lidl with a boot packed with shopping, phone us. Do not fire it up a second time to get out of the bay. We will come out to you, clear that tank, clean the fuel lines then put clean diesel in so you can drive away. A mile or so at light throttle draws hardly any diesel, so these tend to be the simple jobs. ## Potterswood and the places beside it As a residential suburb, Potterswood sees a routine visit, while the villages round about go along on the same run: Mount Hill and Hanham, Two Mile Hill and Woodstock, Jeffries Hill. If yours isn't on this list that does not mean we never come — there are pages for nearly all locations around Gloucestershire, and the ones listed above are merely the closest neighbours. Contact us and check rather than guessing — boundaries above all, and anywhere your satnav might struggle with. That map shows the ground this page covers. Roadside, forecourt, private drive, car park: every bit of it is ground we serve, and none of it requires the vehicle to travel to us. Move the car out of that gateway and fix it later — that's what somebody will say, and it is wrong. Parked on the zig-zags outside Beacon Rise Primary School, a misfilled diesel Skoda Octavia is an inconvenience and nothing worse. Restarted three more times for politeness, it is no longer a tank fault but a fuel system one, because priming takes place with every start and more petrol goes through the fuel filter on to the pump. Let everyone moan. Phone us. ## Stranded at the kerb anywhere in Potterswood? A chance to stop somewhere suitable does not fall to everybody. A normal call for us and not a rare one: worked out after setting off, landed on the verge beside Dixon Close or at a lay-by with the hazard lights going. Fine where you are? Wait with it. Not fine? Move out and clear of it. Don't restart the engine to limp the vehicle somewhere safer — a diesel running on petrol will frequently oblige, and every mile it obliges for is drawing the mixture further into your fuel system. However awkward the spot, it is no bother for us to get to it, and that is far better for your car than carrying on. ## Already driven it? Petrol in a diesel over a couple of miles under 3 miles out of Potterswood, the local M32 is what matters here. Lost power, an uneven idle, smoke: those are the symptoms when they arrive, instead of a tidy stop — and a wrongly fuelled diesel will often get you onto it and some way along before anything seems wrong at all. Take the first exit that's safe, pull up there, and never restart it to reposition. Long trip? Anything approaching the under 5 miles to the nearest city and you should presume the lot — filter, pump, injectors, all of it got to by the petrol. Say that on the call, as it changes what goes in our van. Out there fine, back flat. If that was the drive to Coalbrook Road, look at your tank. Diesel gets thinned by petrol, and thin fuel leaks past the close tolerances meant to build injection pressure — so every additional mile the diesel Dacia Duster covered, the less pressure it held onto. Somewhere safe, switch off, phone us. ## Where is Potterswood? Potterswood is a suburban area located near Bristol in Gloucestershire, sitting at an elevation of 103 metres in the inland landscape of the South West region. Potterswood is characterized by its predominantly terraced housing and is situated close to nearby places such as Mount Hill and Hanham. Potterswood is also near Two Mile Hill and is part of the larger Bristol urban area, with the city centre just 3.8 miles away. ## What happens when our technicians reach you in Potterswood - The replies change the work, which is why our technicians ask before giving a price: what was put in, how much of it, and whether your engine has run. - The tank gets emptied of it. - Our technicians clean the lines and clear your filter, so what's remaining in the fuel system isn't what created the problem. - New diesel goes in, and then the fuel system gets primed. - After it is turned on, our engineers make sure it runs properly on new diesel. After that it's ready to drive away. All of it is done where your car is, so it never has to go to a garage, and when it has been caught early, permanent damage is very uncommon. Why we're firm about not driving on: the pump waits before the fuel injectors, and so whatever a worn-out pump loses travels onward with the fuel. Leave the Vauxhall Astra close to Circomedia; The Batcave and ring us. ## A distinct job: AdBlue in a diesel tank around Potterswood Never start it: that opening step applies whether what went in was AdBlue or petrol. What differs is the problem itself. The lubrication a fuel system relies on gets stripped away by petrol, which dilutes the diesel. Rust and build-up are what a diesel tank gets instead, since AdBlue is urea dissolved in water. Usually the more serious of the two, AdBlue — and the detail sits on its own Potterswood page. Both are ours to handle. ## Paying for a petrol-in-diesel fuel drain around Potterswood Frankly, no single figure fits on a page like this. This job changes. Here is what varies it: - Has it been started or driven? Nothing else matters for as much. - How much of the wrong fuel was put in, weighed against how much your tank holds. - Which went in: petrol or AdBlue. - Where your vehicle is, and whether a technician can sensibly reach and work on it. Tell us your vehicle, the quantity and whether it has run, and you'll get a straight answer rather than a range. For the vehicle at home that is going nowhere and is not pressing, is fine too. Somebody confident will tell you to drain the car then put new diesel in. Half right, that. Try it on a diesel Kia Sportage near Potters Wood Methodist Church and the motor will start — which is exactly why it sounds like sense. Here is the problem: there's petrol left in your filter and the feed lines, and the first thing the engine does is suck it back through the pump a second time. Draining a tank achieves nothing about fuel that already left that tank. Phone us. Your system gets flushed, the fuel filter comes off where there is one worth removing, and that's what separates a repaired motor from one that merely starts. ## Potterswood motorists ask us these about petrol in diesel ## Can you do a fuel drain at a petrol station around Potterswood? Much of what we do gets done nowhere else. So yes. Permission from the site is the condition. Given that, a forecourt like Esso is somewhere we're frequently, along with the rest of them locally — so name yours on the phone and you'll hear if working there is possible. ## Is there a safe quantity of petrol in a diesel? Litres aren't the yardstick. Proportion is, and a lot more than either, it matters whether anything has been run. Five litres in a nearly empty tank is a different matter from five in a full one — but either way, the thing that settles how much work is needed is if that blend has been drawn through the system. ## I put petrol in my diesel and drove the car. Now what? Stop sensibly. Off. Nothing after that. It is salvageable far more commonly than motorists expect, even though driving is what moves the problem from that tank into your pump and injectors — and the single most valuable thing you can do now is not restart it. ## My warranty — does a fuel drain void it? A drain then flush carried out properly is not a change and does not void a manufacturer's warranty. What's likelier to start an argument is a diesel that has been run on petrol. One more good reason for the engine to stay off. ## Adding two-stroke oil, then driving home Two-stroke oil solves a distinct fault, and an old one at that. Nothing it does puts back what petrol weakened. No. That tank still has petrol in it after that, and the pump still has to live with it. ## Main dealers and petrol in a diesel Not at all. Our technicians drain and clean the car wherever it is, so there's no need to bring it to a franchised dealer. ## Still with the vehicle? Do not switch it back on. Driven it already? Then somewhere sensible, stop, turn off, and no restarting the vehicle after that. A still, cold vehicle is the best position to be in, and this is recoverable from much more commonly than motorists expect. Emptying misfilled cars, Potterswood and the rest of Gloucestershire, wherever they are. Kerbside. Forecourt. Home.