Skip to content

Petrol in Diesel

0333 366 0103

Petrol in a Diesel Car in Windmill Hill

If you have not started the engine yet, don't. A fuel drain and nothing more is almost always what a motor needs while the petrol is still inside your tank and the motor has not turned over, which is why it is the next few minutes that matter, not how much was put in. Petrol in Diesel goes to your car wherever it has come to rest in Windmill Hill or the remainder of Cheshire, on the forecourt, by the roadside or on a drive, and drains and flushes it there. We shall explain what the following move will be. Contact us — this goes ahead of anything else.

Call 0333 366 0103

What next? Petrol in a diesel, in turn

  • Give a petrol engine diesel and it will typically refuse to run at all, so the person stops there and so does the damage. Feed a diesel petrol and the car starts, it ticks over, it drives off — all right for a couple of miles. Motorists have that muddled, which is the bit they get wrong about petrol in a diesel specifically. So do not crank it. And if started, don't rely on it: the fuel system is wearing while you drive.
  • Leave your ignition alone also. Diesel has two roles: it combusts, and before it ignites it protects your high-pressure fuel pump and the injectors. Petrol manages the first but not the second. Turning your ignition on is commonly sufficient to prime the system, which pulls this petrol out of the tank then into just those parts.
  • Don't weaken it. Diesel added on top clears nothing, so all you get is more of what was already there, because percentage is not how a diesel fuel system accepts petrol. Super unleaded? Just petrol. The type makes no difference.
  • A motor that has not moved is the simplest one to deal with, and so wait where you are if you safely can. Stopped on the verge on Windmill Hill Avenue East? Hazards on, then leave it there. A tricky spot suits us better than a started engine.
  • Get your position ready before you dial. A postcode beginning WA7 6 and whatever is closest to you with a sign on it is the difference between a van showing up and the van circling.
  • Call 0333 366 0103. Tell us what was put in, approximately how much, and also if the engine has fired. Those three answers determine the entire call-out.

Tonight, please, instead of Monday. Driving it home is the only thing not to do: a commute has sent real volume through the pump already, petrol-thinned diesel and plenty of it, and the return trip would about double the figure to no gain. The Volkswagen Golf can sit outside Runcorn East perfectly safely. Phone from the platform if easier; standing over us while we work isn't required.

Out there normal, back gutless. If that was the run to Windmill Hill Wood, look at that tank. Diesel gets thinned by petrol, and thin fuel leaks past the fine tolerances meant to build injection pressure — so every further mile the diesel Audi A4 covered, the less pressure it held onto. Somewhere sensible, turn off, ring us.

Leave the Ford Focus close to St Berteline and St Christopher and call us. We are direct about not driving on because a worn pump sheds, and what it sheds travels downstream with the fuel to the fuel injectors further along.

Rattling? Ragged idle? White smoke, throttle gone dead? That's your misfuelled Peugeot 3008, a diesel, saying what is wrong with it. Stop wherever you happen to be, perhaps near Replica Medieval Bell, then leave the restarting alone.

By now your tank is the least of that. Run a diesel and that mixture goes into the fuel filter, into the lines, into the pump, into its rail — and none of that leaves with that tank contents. A diesel Mercedes E-Class that got near The small Summer House wants its circuit purged. Draining is not the same thing.

Mobile fuel drain van at a diesel car in Windmill Hill

Clearing petrol from the diesel on the forecourt

A big part of the work gets completed at a forecourt, as that is where it often kicks off. The drain normally happens there and then. Still on the forecourt at PEVA Fuels? Given the owner's permission, that's somewhere our engineers work, and routinely.

A forecourt is the single spot the mistake can be spotted before the engine has started. Anywhere else — a car park, a private drive, a lay-by — the car was started and moved to get there, which means fuel was pulled from the tank, through the fuel filter and into the high-pressure fuel pump. That's not a disaster, and our engineers can still sort it out where it is. It does mean the fuel lines and your filter need cleaning as well as that tank, and that is determined by the few seconds between checking the receipt and going for the key.

Wheel the car out of the way if the staff volunteer, and they normally will. The next motorist gets through the petrol pump, and that is worth doing. Starting it to move four car lengths isn't.

Parts our team cover around Windmill Hill

The same journeys take us to Norton, Norton Cross, Sandymoor, Murdishaw and Manor Park as well as Windmill Hill, which is a residential suburb.

If yours is not on this list it does not mean we do not come — there are dedicated pages for the majority of locations across Cheshire, and the ones listed above are merely the nearest neighbours. Near a boundary, or anywhere your phone misreads? Phone and check rather than guessing.

Use our map for the patch shown on this page. Your vehicle doesn't need to come to us. We work across every bit of that — roadside, forecourts, driveways, car parks.

Stuck on the kerbside around Windmill Hill

The opportunity to stop anywhere safe doesn't come to everyone. A routine call for us rather than a rare one: realised after setting off, ended up along the verge of Aldersey Close or at a lay-by with your hazards on.

Stay with the motor when it is sensible to wait inside, yet out of it when it is not. It will frequently oblige. A diesel running on petrol limps along perfectly willingly, and that is the catch: fire it up to reach somewhere handier and that blend goes further into the fuel system with every mile travelled. A technician heading to a difficult spot is no problem for us, and it is a lot better for the vehicle than pressing on.

Driven it already? Stop, and read below

The local M56 is the road which counts now, and it runs under 3 miles from Windmill Hill. Some distance along, and onto it in the first place: a misfuelled diesel will often manage both before anything seems wrong. What you get then is rarely a neat stop. Power drains away, your idle turns lumpy, and there may be smoke.

Take the first junction that is safe, stop there, and don't start the vehicle to reposition. It alters what we bring, so say so when you phone: on a longer drive — anything near the under 15 miles to the closest city — take it the petrol has been through the fuel filter, the pump and the injectors.

Where is Windmill Hill?

Windmill Hill is a suburban area in Cheshire, situated near the coast and approximately 13.7 miles from Chester. Windmill Hill has a relatively low elevation of 42 metres and is located near other local places such as Norton and Sandymoor. Windmill Hill is characterized by its predominantly detached housing stock, which reflects the area's residential nature.

Our visit in Windmill Hill, step by step

  • We check what was put in, how much, and if the motor has run. The answers shape the work, which is why our engineers ask before giving a price.
  • The tank is emptied of it.
  • What is remaining in the system should not be what caused the problem, so your fuel lines get cleaned and the filter cleaned.
  • Our technicians put clean diesel in and prime your system.
  • It is started with clean diesel in it, and our technicians confirm that it is running smoothly.

After that it is ready to pull away. Our technicians do all of this wherever the vehicle has stopped, which means it never needs to go to a workshop, and if it has been noticed quickly, it is very unusual for there to be permanent damage.

AdBlue in the diesel tank instead, around Windmill Hill?

If what was put in was AdBlue instead of petrol, the opening rule is the same — don't fire it up — but this problem is not. The protection a fuel system relies on is taken away by petrol, which dilutes your diesel. AdBlue? Urea dissolved in water. Pour that in with the diesel and you get corrosion instead, plus deposits.

Both are ours. There's a separate Windmill Hill page for AdBlue removal, with the details on it — including the reasons it often turns out to be the worse of the two.

What a petrol-in-diesel drain costs around Windmill Hill

One price wouldn't be honest here, as this is not one job. These are the things that shift it:

  • Started? Driven? Either answer matters more than anything else on this list.
  • How much of the wrong fuel went in, measured against how much your tank holds.
  • Whether it is petrol or AdBlue.
  • Whether our van can safely get to your vehicle and work on it, which hinges on where the vehicle is.

The vehicle, the quantity, whether it has run — give us those and the answer comes back straight rather than as a range. Not pressing, with the car at home and going nowhere? Then works.

Questions our technicians hear about petrol in diesel around Windmill Hill

Can you do a fuel drain at a petrol station in Windmill Hill?

Yes — forecourts are where a good share of this happens. Regularly, provided the site agrees: Asda, plus every other forecourt nearby. Say on the phone where precisely you have stopped. Whether our engineers can work in that spot is something our engineers answer there and then.

Is there a safe quantity of petrol in a diesel?

Whether your motor has run counts far more, though the proportion matters too, rather than the litres. A nearly empty tank with five litres in it, against a full one with the same five: distinct situations, of course. Either way, the work required comes down to one thing, which is if the system has had that blend drawn through it.

I drove it after putting petrol in my diesel. Now what?

Stop sensibly. Off. Nothing after that. It's salvageable far more commonly than drivers assume, even though driving is what moves the issue from that tank into your pump and injectors — and the single most helpful thing you can do now isn't restart it.

Will a fuel drain void my warranty?

A drain and flush carried out properly isn't a change and doesn't invalidate a manufacturer's warranty. Running a diesel on petrol is the thing more likely to cause a dispute with one, which is another reason to leave it switched off.

Two-stroke oil in your tank, and then home?

No. It belongs to a different problem from a separate era, and petrol has thinned something no oil of that kind replaces. Petrol remains in that tank after that, whatever else goes in, and the pump gets no reprieve from it.

Do I need a main dealer for petrol in a diesel?

No. Our engineers drain and flush the vehicle wherever it is, so there is no need to bring it to a franchised dealer.

You, and the vehicle, still together?

Do not switch it on again.

Already driven it? Then stop somewhere safe, switch off, then let the car stay that way. Cold and stationary, a vehicle is in the best position available — and motorists fear this a lot more than the recovery rate warrants.

Draining misfuelled motors, Windmill Hill and the rest of Cheshire, wherever they are. Roadside. Forecourt. Home.

Call 0333 366 0103