Skip to content

Petrol in Diesel

0333 366 0103

Petrol in a Diesel Car in Newington

Petrol in Diesel drains and flushes wrongly fuelled cars where they are, on the forecourt, at the roadside or on a private drive, throughout Newington and the rest of City of Edinburgh. The very first thing to do is not to fire up the engine. When the motor has not turned over and the fuel is still in your tank, a tank drain is nearly always all it needs, and the coming few minutes determine that, not how much went in. A single call our way is sufficient: our team can explain what follows next. Do it first.

Call 0333 366 0103

Your first five steps: petrol in a diesel

  • While you drive, your pump and the fuel injectors suffer. That's why you never fire it up, and why you never believe it once it has started. The trick about petrol in a diesel in particular — the point motorists get wrong — is that it pulls away fine for the first mile or two. Diesel in a petrol engine usually can't run at all, which stops the person and stops the damage with them. This one lets you drive on.
  • Diesel combusts, and before it ignites it protects — the injection pump, those injectors. Petrol manages only the burning. So leave your ignition be as well: flicking it on is commonly all it takes to prime the system, and priming moves petrol from the tank into precisely those parts.
  • Do not tip diesel on top to thin it. A diesel fuel system does not accept petrol by percentage the way that guidance suggests, and topping up removes nothing — it merely leaves you a larger tank of the same mix. The octane makes no difference either: super unleaded is simply petrol.
  • A motor that has never moved is the simplest one to deal with, and so stay where you are if you sensibly can. Pulled up on the verge on West Savile Terrace? Hazards on, then leave the vehicle there. A tricky location suits us better than a started engine.
  • Get your whereabouts prepared before you dial. A postcode starting EH9 3 and whatever is closest to you with a sign on it is the difference between the van showing up and the van circling.
  • Dial 0333 366 0103. Let us know what went in, approximately how much, and also whether the car has started. These three facts determine the full visit.

Quarter past eight. A quick fill on the way in. Close to eleven it occurs to you, and by then your diesel Renault Megane has stood outside Edinburgh Waverley for three hours. Call us then leave the car where it stands. What is key is the journey in, since diesel both burns and — before that — greases the pump and the injectors, while petrol only ever combusts. Those few miles worked your pump on a fuel stripped of much of its protection, and no volume of standing in a car park adds any of that back. Hence the thing we ask about distance instead of hours standing, and hence the request to leave the keys where they are till our engineers turn up.

The enquiry our technicians want runs like this: diesel Volkswagen Passat, a couple of litres of unleaded, done a couple of miles, now turned off outside Aldi. What we are really asking is how much fuel the pump has sucked — not how long ago it was.

Nothing tells you, as from the driver's seat there is nothing to be warned about. Your diesel Audi A4 will have seemed completely usual on the way back from the local primary school, and they all do — which is the catch with petrol in a diesel and not the reverse. Diesel in a petrol motor mostly refuses to run, stopping the driver and stopping the wear with them. Petrol in a diesel fires up, idles, drives off as though nothing had happened, and all the while your pump works without the protection its fuel is meant to supply. Tell us approximately how far, and how hard. The harder matters more.

Here is the full mechanism. Diesel needs enough body to seal the tight gaps it goes through, and petrol takes that away. That's it. Which accounts for the ordinary Waverley Sports Club call — a diesel Peugeot 3008, out there without a murmur and back down on power, uneven at idle, maybe a bit of smoke. Injection systems work hydraulically as well as chemically, so your fuel has to hold pressure and not just burn; weakened, it leaks past those clearances instead of building, and delivery comes poorer, later, less even than the motor was built about. Not a failing engine, though. Fuel that has stopped acting like diesel. Put that right and it stops.

A person certain will tell you to drain it and put new diesel in. Only half right, that. Try it on a diesel Ford Kuga near War Memorial and the motor will start — which is exactly why it sounds like sense. Here is the catch: there's petrol left in your filter and the feed lines, and the first thing the motor does is suck it back through your pump a second time. Draining a tank achieves nothing about fuel that already left your tank. Call us. The circuit gets flushed, the fuel filter comes off where there's one worth removing, and that is what separates a fixed motor from one that merely starts.

Mobile fuel drain van at a diesel car in Newington

Can petrol be drained out of a diesel at a forecourt?

Plenty of the job starts at a forecourt, so a good part of it is done at one. The drain generally happens right there. Still on the forecourt at BP? Given the station's consent, that's a spot our engineers work, and often.

Nowhere other than the forecourt can it be spotted with the motor still unstarted. The few seconds between checking the receipt and reaching for the key decide how much needs cleaning. Everywhere other than the forecourt — a car park, a driveway, a lay-by — your car was started and moved to get there, so fuel was pulled from that tank, through the filter and into the high-pressure fuel pump. That means your lines and your filter need cleaning as well as that tank. It's not a calamity, and our engineers can still deal with it where the car is.

The staff will normally help you push it out from the petrol pump so the next customer can get by. That is worth doing. Four vehicle lengths is not worth the risk.

Can our engineers cover your corner of Newington?

Being a residential suburb, Newington sees a routine visit, while the villages close by go with it on that same trip: West Mains and Nether Liberton, Blackford and Grange Park, Sciennes.

We still come. The places above are merely the immediate neighbours, and a page exists for the majority of towns in City of Edinburgh, so an absence from the list is not an absence from our coverage. Assuming is the habit to avoid, particularly on the boundary or anywhere your satnav gets lost. Contact us to ask.

The map outlines the area the page spans. Roadside, forecourt, private drive, car park: all of it is ground we serve, and none of that asks your car to travel to us.

Kerbside call-outs across Newington

Some drivers have no sensible place to pull in at all. Set off, then noticed? Landed on the verge on Mayfield Road, or sat in some lay-by with the hazards on? That is a normal call here. Not an odd one.

Whether you wait with the vehicle or move away from it turns on if sitting in it looks safe. Don't fire it up to reach a nicer location. It will go — a diesel on petrol generally obliges — and each mile of obliging drags that mixture deeper into your fuel system. However difficult the location, it is no problem for us to come to it, and that is much better for the car than carrying on.

Petrol in a diesel, but the motor has moved

This is where your M8 comes in — under 10 miles away from Newington. It will frequently take you onto it, and some way along, before you spot a thing. Then it's smoke, a lumpy idle and power draining away — not a neat stop. Misfilled diesels rarely give you one of those.

Never restart it to reposition. Pull off at the first safe junction then switch off. Assume the worst of it on a long drive. Anything close to the under 3 miles to the nearest city, and the mixture has been through the fuel filter, through the pump, through the fuel injectors. Say so when you phone. What we bring alters.

All about Newington

Newington is a suburban area in the City of Edinburgh, situated approximately 1.7 miles southeast of Edinburgh's city centre. Newington sits on the southern edge of the city, near the coast, with an elevation of around 65 metres. Newington is characterised by its predominantly flat-type housing and is close to nearby places such as West Mains, Nether Liberton, and Blackford. Newington has a population of around 8793 residents.

What follows when we arrive with you in Newington

  • Three things get established before any quote — the fuel that went in, the amount, and whether anything has been run since. Each answer changes the work.
  • The tainted mixture comes from your tank.
  • We clean the lines and clean your filter, and so what's remaining in your system is not what created the trouble.
  • Our engineers put new diesel in and bleed the system.
  • Once it is started, our engineers confirm it runs smoothly on new diesel.

Your car is then ready for you to pull away. Permanent damage is very unusual when it has been caught quickly, and since all of it is done where your car is, it never needs to be taken to a workshop.

A separate problem: AdBlue in a diesel tank in Newington

AdBlue rather than petrol? Then the opening instruction is unchanged — the motor remains off — while this problem under it is a distinct one altogether. Petrol does two things to diesel: weakens it, and takes away the protection the fuel system depends on. Urea dissolved in water, AdBlue, and in a diesel tank that causes corrosion and deposits.

Often the more significant of the two, AdBlue — and the detail lives on its own Newington page. Both are ours to deal with.

Newington pricing for a petrol-in-diesel drain

Our technicians can't put one figure on this page honestly, as the job isn't one job. What shifts it:

  • This is the key one: whether the engine has been run, or driven.
  • Wrong fuel in, against what the tank holds — that ratio.
  • AdBlue or petrol, whichever got in.
  • Access: the vehicle's position, and if working on it there is safe for a technician.

Tell us your car, the amount and whether it has run, and you will get a firm answer rather than a range. Motor at home, going nowhere, nothing pressing about it — is good for that.

Questions our engineers hear about petrol in diesel around Newington

I'm on a forecourt in Newington. Can you drain the vehicle on the spot?

Plenty of what our technicians do takes place nowhere else. So yes. Tell us which one you are at when you call and we'll tell you whether our technicians can work there. With the station's permission our technicians work at Sainsbury's and the other forecourts around town routinely.

Is there a sensible amount of petrol in a diesel?

Whether the motor has run counts much more, though the proportion matters too, instead of the litres. A nearly empty tank with five litres in it, against a full one with the same five: separate situations, of course. Either way, the work needed comes down to one thing, which is whether the fuel system has had that blend drawn through it.

Petrol in my diesel, and I have driven the car

Stop safely. Off. Nothing after that. Not restarting it is the single most useful thing available to you now. Driving does shift the trouble out of your tank then into the pump and injectors, yes, and it stays salvageable much more frequently than people expect.

Is a fuel drain going to void my warranty?

It isn't an alteration, and so a drain and flush carried out properly doesn't void a manufacturer's warranty. A dispute over a warranty is likelier to come from running a diesel on petrol — so leave it switched off.

Could I put some two-stroke in and just drive?

No. Two-stroke oil is an old fix for a distinct issue and it doesn't put back what petrol has weakened. Your pump still has to put up with it, because the tank still has petrol in it later.

Does petrol in a diesel have to go to a main dealer?

You don't need one. Your car is drained and cleaned wherever it is, with no need to bring it to a franchised dealer.

Still with the car?

Shut off is the way it remains.

If you have already driven the vehicle, pull in somewhere safe, turn it off then keep it off. A parked, cold vehicle is the best place to be in, and this is recoverable from much more often than people expect.

Throughout City of Edinburgh and in Newington: mobile fuel draining, at home or on the forecourt or at the roadside.

Call 0333 366 0103