Skip to content

Petrol in Diesel

0333 366 0103

Newton: Put Petrol in a Diesel Car?

With that tank still holding the petrol and the motor not yet turned over, almost every job takes only a drain, so keep the motor off. That outcome is decided in the minutes straight after filling up, and not by the amount that got in. Across Newton and the remainder of South Lanarkshire, Petrol in Diesel drains the car and cleans it where it sits, whether by a roadside, on a private drive or at a forecourt. Our technicians will tell you what your next part is. Phone — that happens ahead of all else.

Call 0333 366 0103

Petrol in a diesel: what to try now

  • Never start the car. Fired up regardless? Then don't depend on it. Diesel in a petrol car typically cannot run, and so the driver stops and the damage halts with them. Petrol in a diesel? It starts. It idles. It drives off fine, for a few miles. Most people get that reversed. It's not all right — the fuel system is grinding every mile you drive.
  • Leave the ignition alone too. Diesel performs two jobs: it burns, and before it burns it greases your high-pressure pump and its injectors. Petrol handles the first and not the second. Switching your ignition on is commonly sufficient to prime the system, which moves the petrol out of your tank and into exactly those components.
  • That advice assumes a diesel fuel system tolerates petrol by percentage. It won't. Tip diesel on top and nothing at all is cleared; what you end with is a bigger tank of the same mixture. And no, the octane makes no difference — super unleaded is just petrol.
  • Sit tight if it is wise to. Hazards on, engine off, keep the car. Wherever you have stopped — the verge on Farmtrack Road, anywhere — an awkward place for us is better than a started diesel, and nothing is easier for us to deal with than a motor that never shifted.
  • Before you dial, gather your whereabouts. Anything closest to you with a label on it, plus a postcode starting G72 7 — that's what settles whether the technician shows up or circles.
  • What got in, approximately how many litres, plus whether the engine has fired — those three facts settle the whole job. Phone 0333 366 0103 and tell us.

Forecourt draining for petrol in a diesel

It begins at a pump, typically. Often enough the job finishes on site as well. Still at the nearest petrol station? Then that's normally where it gets done. Petrol station forecourts are everyday for us, with the consent of the station.

At a garage, it gets caught with the motor never fired, and no place else manages that. Everywhere else — a car park, a drive, a lay-by — the car was fired up and driven to get there, which means fuel was drawn from that tank, through the fuel filter then into the high-pressure pump. That is not a disaster, and we can still deal with it where it sits. It does mean your lines and the filter need rinsing as well as your tank, and that's settled by the few seconds between seeing the receipt and going for your key.

Attendants will normally pitch in pushing it clear of the petrol pump, which lets the next motorist get by. Accept the assistance. Starting it over four car lengths? Not a chance.

Mobile fuel drain van at a diesel car in Newton

Petrol in the Renault Megane, and it takes diesel? Shopping in the boot, you outside Essentials, somewhere in Newton? Then call us, and leave your engine out of that — not even to leave the bay. A technician heads your way. Tank cleared, fuel lines purged, fresh diesel in, and home you go. Gentle throttle over a mile uses hardly anything, and so these are usually the simple cases.

Twenty to nine. At the gates of the local primary school. Late already, and your receipt in your hand reads unleaded. Switch the hazards on, leave your ignition alone, then phone. You could think three miles is nothing, in the Skoda Octavia or anything else — except that fuel is supplied on demand, and a run taken in a rush demands a great deal of that.

Your pump is not turning, and so whatever your diesel Peugeot 308 did on the way to Newton Village Millenium Garden, none of it is happening now. Nothing gets worse whilst it sits. Take your time over this — but do not drive it home to buy any.

Why we're direct about not driving on: your pump rests before the fuel injectors, and so whatever a worn-out pump loses passes on with your fuel. Leave the Audi A4 close to Newton Pit Mining Disaster Memorial and phone us.

That deadness is the fuel failing to build pressure fully, not the engine failing — and with no dashboard light for it, motors in that position generally get driven once more before anybody rings. Do not. A few streets is all it got: throttle gone dead, idle turned uneven, and a diesel Mercedes C-Class now resting close to Newton Station Crash Memorial. Turn the car off and phone us.

Service in Newton

Newton is a residential suburb, and our vans head out to the town and to anywhere near it on the usual journeys: Hallside, Westburn, Flemington, Halfway and Dalton.

There are separate pages for the majority of places in South Lanarkshire, and the ones mentioned above are simply the nearest neighbours — so yours being left off the list tells you nothing at all about if our technicians come. Phone and ask instead of presuming — county lines particularly, and anywhere your satnav tends to get wrong.

Use this map for the ground shown on this page. The vehicle doesn't need to travel to us. We work throughout the lot — kerbside, forecourts, driveways, car parks.

Broken down at the kerbside around Newton

Some people get no suitable place to stop whatsoever. Set off, then noticed? Landed by the verge on Redlawood Road, or sat in some lay-by with the hazards going? That's a normal call here. Not a rare one.

Clear of the vehicle when it is not wise to sit there, with it if it is. It will often oblige. A diesel running on petrol limps along perfectly willingly, and that's the trouble: fire it up to reach somewhere safer and the blend goes further into the system with every mile covered. We'll take our van to an awkward location without any bother, and for the vehicle that's a lot better than driving on.

So you've driven it? Petrol in a diesel over a couple of miles

under 3 miles out of Newton, your M74 is what counts now. Some distance along, and onto it in the first place: a misfilled diesel will frequently do both before anything feels wrong. What you get then is rarely a clean stop. Power falls away, the idle gets lumpy, and there may be smoke.

Come off at the first safe junction, turn off, and don't start it to move it. Long drive? Anything close to the under 10 miles to the closest city and you should assume the lot — filter, pump, injectors, all of it reached by the mixture. Say that on the phone, because it changes what goes in the van.

Where is Newton?

Newton is a suburban area in South Lanarkshire, situated on the riverside at an elevation of around 40 metres. Newton lies close to the city of Glasgow, approximately 5 miles to the southeast, and is near other local places such as Hallside, Westburn, and Flemington. Newton has a population of around 2955 people and is characterised by predominantly detached housing.

What happens when our engineers reach you around Newton

  • We establish what got in, how much, and if the engine has run. The replies shape the work, which is why our engineers ask before giving a price.
  • We clear your tank of the tainted mixture.
  • Our engineers flush the fuel lines and clean the filter, and so what is left in your system is not what created the problem.
  • Clean diesel goes in, and then your system gets bled.
  • Our engineers turn it on and check it runs correctly on clean diesel.

That leaves the car ready to drive away. Long-term damage is very unusual when it has been spotted early, and since everything is done where your car is, it never needs to be taken to a workshop.

AdBlue in a diesel tank in Newton is a distinct problem

If what was put in was AdBlue instead of petrol, the first step is the same — do not fire it up — yet the problem is not. Petrol does two things to diesel: weakens it, and takes away the protection the fuel system relies on. AdBlue? Urea dissolved in water. Pour that in with your diesel and you get rust instead, plus residue.

Our engineers deal with both, and AdBlue removal around Newton has its own page with the details — including why it's often the more significant of the two.

What a petrol-in-diesel fuel drain costs in Newton

Our engineers cannot put one price on this page frankly, since the job isn't one job. What shifts it:

  • Has it been started or driven? Nothing else counts for as much.
  • How much of the wrong fuel got in, against how much that tank takes.
  • AdBlue or unleaded, whichever got in.
  • Where is it? And can our van get to it and work there sensibly?

The vehicle, the amount, whether it has run — give us those and the answer comes back firm rather than as a range. For the vehicle at home that is going nowhere and is not urgent, is fine too.

Newton drivers ask us these about petrol in diesel

I'm on a forecourt around Newton. Can you drain the vehicle on the spot?

A fair share of this work happens there, so yes. Permission from the site is the condition. Given that, a forecourt like Thames is somewhere we are frequently, along with the rest of them locally — so name yours on the phone and you'll hear if working there's possible.

How much petrol is too much for a diesel?

Ratio settles it instead of litres — and more than either, whether your engine has run. Five litres into a nearly dry tank isn't five into a full one, no. But both land on the same question in the end: has that mix been sucked right through, or has it not?

Petrol in my diesel, and I have driven it

Switch off somewhere sensible, then keep it that way after you stop. Not restarting it is the single most valuable thing available to you now. Driving does move the problem out of the tank then into your pump and injectors, yes, and it stays salvageable far more frequently than motorists expect.

Will a fuel drain void my warranty?

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

Adding two-stroke oil, then driving home

No. Two-stroke oil is an old remedy for a separate fault and it does not put back what petrol has thinned. After that? Still petrol in the tank, and a pump that has to put up with the stuff.

A main dealer for petrol in a diesel — necessary?

Wherever your car is, our technicians drain and clean it there, so a trip to the main dealer does not come into it.

Is your car still with you?

Your engine stays off.

If you have already driven the car, pull in somewhere sensible, turn it off and keep it off. Cold, parked, going nowhere: that's the best position to be in. Motorists fear this a lot more than they need to.

Emptying misfuelled cars, Newton and the rest of South Lanarkshire, wherever they are. Kerbside. Forecourt. Home.

Call 0333 366 0103