Ottershaw: Put Petrol in a Diesel Car?
With that tank still holding the fuel and the motor not yet started, nearly every job takes only a drain, so keep your engine off. That result is settled in the minutes straight after the fill-up, rather than by the amount that went in. All over Ottershaw and the rest of Surrey, Petrol in Diesel drains your car and flushes it where it is, whether at a roadside, on a driveway or at a forecourt. Call us before everything else happens, so you will know what follows next.
What now? Petrol in a diesel, step by step
- Never start the car. Turned on all the same? Then do not trust it. Diesel in a petrol motor usually won't run, so the motorist stops and the harm ends with them. Petrol in a diesel? It starts. It ticks over. It pulls away normally, for a couple of miles. Most people get that reversed. It isn't all right — your fuel system is wearing down every mile you do.
- Diesel burns, and before it ignites it greases — the injection pump, those injectors. Petrol handles only the burning. So leave the car's ignition alone as well: switching it on is usually all it takes to prime the system, and priming pulls petrol from your tank into exactly those components.
- Do not thin it. Diesel added on top clears nothing, so all you get is more of what was already there, because percentage isn't how a diesel fuel system accepts petrol. Super unleaded? Just petrol. The type makes no difference.
- Our team would sooner come to an odd place than have it started — so if you safely can, stay put. Nothing is simpler to handle than a vehicle that has not shifted. On the verge on Murray Road, that means hazards on and leave the car.
- Know where you are before calling. A postcode starting KT16 0, and the name of whatever is nearest to you. Otherwise our van circles rather than turning up.
- Three details decide the full visit: the fuel you put in, the rough quantity involved, plus if anything has been turning since. Our line is 0333 366 0103.
Clearing petrol from a diesel at a forecourt
A fair chunk of the work is done at the pump, as that is where it mostly begins. If you are still at the forecourt at Shell, that's typically where the drain gets done — we operate on garage forecourts regularly, with the site's permission.
Before the motor has run — a garage is the only location this is caught. Anywhere else — a car park, a drive, a lay-by — the vehicle was fired up and moved to get there, which means fuel was pulled from the tank, through the fuel filter and into the high-pressure pump. That is not a catastrophe, and our engineers can still deal with it where it is. It does mean the lines and the filter need cleaning as well as your tank, and that's determined by the few seconds between checking the receipt and reaching for the keys.
Push the vehicle out of the way if the attendants offer, and they generally will. The next motorist gets through the petrol pump, and that's worth doing. Rolling the car four spaces doesn't justify cranking it.
Tell us this much and our engineers can work with it: a diesel BMW 3 Series, a couple of litres of unleaded in it, two miles or so, shut off outside Co-op Food now. Time passed is not the thing our technicians need. Fuel sucked by your pump is.
Shift it out of that gateway and fix it later — that's what a passer-by will say, and it's wrong. Sitting on the zig-zags outside Ottershaw Christ Church Church of England Junior School, a wrongly fuelled diesel Nissan Qashqai is a nuisance and nothing worse. Fired up three more times for courtesy, it's no longer a tank fault but a fuel system one, since priming occurs with every start and more petrol goes past the filter towards the pump. Let them complain. Phone us.
The parts that should be getting oiled are wearing instead, and your vehicle gives no sign of that: a diesel on a thinned tank fires up and pulls away just fine. Risk the drive home from The Castle? Don't. Phone us and leave the Mercedes C-Class where it stands.
Most of these occur somewhere new, and the cause is mechanical instead of slapdash — practically no resistance meets a narrower petrol nozzle entering a current diesel filler neck. Two days into a diesel Volkswagen Polo, a fill-up close to Christ Church that you didn't think about? Call us from where you are. Courtesy and hire cars go further before anybody clocks it, and the further they go, the more petrol arrives at the fuel injectors.
The filter, the fuel lines, the pump and its rail: that is where that mix is once a diesel has run, and it doesn't come back out with your tank contents. So your tank isn't where most of the trouble waits by this point, and a diesel Renault Captur that got near Holy Trinity Church needs the system purged rather than drained.
Service around Ottershaw
Rowhill, Row Town, Stonehill, Fan Grove, Lyne — every one of these on our trips that take us across to Ottershaw itself, a rural village.
Not on the list? That means nothing. The names above are only the closest few, and nearly all places around Surrey have a page of their own elsewhere on this site. Ring us to check instead of assuming, particularly if you are on a boundary or anywhere the satnav can't find.
Look at our map for the area covered on this page. Every bit of it is ground our engineers work: a roadside, a forecourt, a driveway, a car park. You never bring your vehicle anywhere.
Broken down at the roadside around Ottershaw
Not everyone gets the chance to pull over anywhere suitable. Set off, then realised? Ended up by the verge on Chobham Road, or sat in some lay-by with the hazard lights flashing? That is a common call here. Not an odd one.
Whether you remain with the vehicle or keep clear of it turns on whether staying nearby looks sensible. Don't start up your motor to limp the car somewhere handier — a diesel running on petrol will usually oblige, and every mile it obliges for is drawing that blend further into the fuel system. A technician heading to a difficult spot is no trouble for us, and it's much better for the vehicle than carrying on.
Some miles on petrol in a diesel: now what?
under 3 miles from Ottershaw, your M25 is what counts here. A wrongly fuelled diesel will frequently get you onto it and some distance along before anything feels wrong, while the symptoms when they come are normally lost power, an uneven idle and smoke instead of a clean stop.
Do not start it to reposition. Come off at the next safe exit then switch off. Long trip? Anything near the under 25 miles to the nearest city and you should assume the lot — filter, pump, injectors, all of it reached by the petrol. Say that on the call, since it alters what goes in the van.
A little about Ottershaw
Ottershaw is a village in Surrey, situated inland at an elevation of 39 metres, approximately 20 miles from London. Ottershaw has a population of around 1594 people and is characterised by predominantly detached housing. Ottershaw is close to nearby places such as Rowhill, Row Town, and Stonehill, and is within commuting distance of Westminster, which is about 19.8 miles away. Ottershaw remains a residential community with a rural feel, despite its proximity to the capital city.
What we do when our technicians get to you in Ottershaw
- The responses shape the work, which is why our engineers ask before pricing: what got in, how much of that, and if your engine has run.
- Out flows the tainted mixture.
- Fuel lines are purged through and your filter cleared, leaving nothing in your system that started any of this.
- The system gets primed, on fresh diesel.
- Once it is fired up, our engineers check it runs correctly on fresh diesel.
Your car is then ready for you to drive away. There's no need for a garage at any point, as the work is all done where the car is, and when it's noticed quickly, permanent damage is very rare.
AdBlue in a diesel tank in Ottershaw is a different job
AdBlue instead of petrol? Then the opening step is unchanged — the engine stays off — whereas the issue under it is a distinct one altogether. Thinned diesel, and no lubrication left for your fuel system that depends on it. That is petrol. Urea in water, AdBlue, and in a diesel tank that causes corrosion and build-up.
AdBlue removal around Ottershaw has a page of its own with the full story on it, including why it is usually the more serious of the two. Our engineers cover both.
What a petrol-in-diesel fuel drain costs around Ottershaw
Frankly, no single figure belongs on a page like this. This job changes. Here's what varies it:
- Whether your motor has been run or driven. This is the big one.
- The tank's capacity, set against how much of the wrong fuel went into it.
- The sort of liquid in the tank, unleaded or AdBlue.
- Where is it? And can our van get to it and work there safely?
A firm answer instead of a range is what you get for telling us three things: your vehicle, the quantity, and if it has run. If it is not time-critical — the car is at home and going nowhere — is fine too.
Ottershaw motorists ask us these about petrol in diesel
Can you do a fuel drain at a petrol station in Ottershaw?
Yes, and it is where a big share of this work happens. Consent from the site is the condition. Given that, a forecourt like Tesco is somewhere we're regularly, along with the rest of them locally — so name yours on the phone and you will hear if working there's possible.
A couple of litres of petrol in a diesel — too much?
It depends on the ratio instead of the litres, and far more on whether the engine has run. Five litres into a nearly dry tank is not five into a full one, no. But both land on the same question in the end: has that mixture been drawn right through, or has it not?
Petrol in my diesel, and I have driven the vehicle
Turn off somewhere sensible, then keep it that way after you stop. It's salvageable much more frequently than people assume, even though driving is what moves the trouble from that tank into the pump and injectors — and the single most useful thing you can do now isn't restart it.
Will a fuel drain void my warranty?
It isn't a modification, so a drain and flush carried out correctly does not invalidate a manufacturer's warranty. Another good reason to leave it switched off: running a diesel on petrol is the thing more likely to cause a disagreement with one.
Adding two-stroke oil, then driving home
Two-stroke oil solves a separate issue, and an old one at that. Nothing it does puts back what petrol diluted. No. That tank still has petrol in it later, and the pump still has to live with it.
Do I need a main dealer for petrol in a diesel?
No. We drain and clean the car wherever it is, so there is no need to bring it to a main dealer.
Still with your car?
Shut off is the way it remains.
Driven it already? Then somewhere safe, stop, switch off, and no restarting the vehicle later. A still, cold car is the best position to be in, and this is recoverable from far more frequently than drivers fear.
Draining misfuelled vehicles, Ottershaw and the rest of Surrey, wherever they are. Roadside. Forecourt. Home.