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Petrol in Diesel

0333 366 0103

Ham Hill: Put Petrol in a Diesel Car?

Petrol in Diesel drains and flushes misfuelled cars where they stand, on the forecourt, at the roadside or on a drive, across Ham Hill and the rest of Dorset. The first thing to do is not to fire up the engine. When your engine has not turned over and the fuel is still in that tank, a drain is nearly always all it requires, and the next few minutes decide that, not how much went in. Call us before anything else starts, and you'll see what follows from there.

Call 0333 366 0103

What now? Petrol in a diesel, in order

  • Never fire it up — and don't depend on it if it starts. That is the part motorists get wrong about petrol in a diesel especially. A petrol engine given diesel normally just can't run, so the driver stops and the wear stops with them. A diesel given petrol usually starts, ticks over and moves off perfectly well for several miles. It isn't all right. It's grinding that fuel system while you drive.
  • Turning the ignition on often primes that system, and priming is what pulls petrol out of that tank and into your pump and injectors. Those are the parts diesel keeps greased on its way through, before it burns. Petrol handles the burning and none of the protecting. Leave the car's ignition alone.
  • Never dilute it. Diesel put on top takes out nothing, and so all you have is more of what was already there, because percentage isn't how a diesel fuel system copes with petrol. Super unleaded? Still petrol. The type makes no difference.
  • We'd sooner get to a difficult location than have it started — so if you safely can, stay put. Nothing is easier to sort than a motor that has not moved. On the verge on Napier Road, that means hazards on then keep the vehicle.
  • A van turning up instead of circling turns on two things: a postcode beginning BH15 4, and whatever is nearest to you with a name on it. Keep both ready before you call.
  • What went in, about how many litres, plus if your car has started — these three details decide the entire call-out. Call 0333 366 0103 then tell us.

Your high-pressure pump spent that morning commute labouring on a liquid that had shed a great deal of the protection it is made for. Diesel protects that pump, and your injectors with it, before any of the fuel ignites; petrol does the burning and none of the protecting. So imagine a diesel Volkswagen Golf, topped up at quarter past eight, taken in to work, and parked sitting outside Hamworthy until it dawns on you at about eleven. Three hours of standing have changed nothing about it. The few miles before that did plenty, which is why the question our engineers ask is about miles not hours. Ring us. Leave the vehicle right where it sits.

Twenty to nine. At the gates of Bayside Academy. Late already, and the receipt in your hand shows unleaded. Turn your hazards on, leave the motor alone, and call us. You may think three miles is nothing, in your Audi A4 or anything else — except that fuel is metered to demand, and a drive taken in a hurry demands a great deal of that.

Your BMW 1 Series stays where it is in the car park by The Yachtsman for the whole job, which generally goes like this. First we ask what got in, approximately how much, and whether the engine has run since, given that most of the work turns on those replies. The tank is emptied of the tainted blend, your lines are flushed, and the filter comes off if it is a replaceable one. With new diesel in and your system primed, your car is fired up and checked, and once it is running smoothly you pull away.

Pulled off the forecourt, read your receipt, and parked your diesel Peugeot 208 up near Flying Boat fuel depot a couple of hundred yards later? That is about as well as this goes once your engine has turned. Ring us and leave it off. The short hop really helps, but it was still a start and a drive, so diluted fuel has arrived at the filter and your pump — which is why we clean the fuel lines rather than only draining that tank.

Put right and starting aren't the same thing, and the difference is your circuit: our engineers flush it, and take your filter off where there is a working one. Compare that with the confident tip you'll get — drain the car, refill with new diesel. Half right. Do precisely that to a diesel Kia Sportage close to The Hub and it'll start, which is precisely why the advice sounds reasonable. Then your engine pulls the petrol left behind in the fuel filter, and in the feed lines, straight back through the pump, because draining a tank does nothing whatever about fuel that has already left it. Call us instead.

Mobile fuel drain van at a diesel car in Ham Hill

Draining petrol from the diesel on the forecourt

Pumps are where this job mostly starts, and where a fair chunk of that ends. Our technicians work on garage forecourts regularly, with the owner's consent, so if you are still at Esso that's generally where the drain happens.

At a forecourt, this is halted with the engine never started, and nowhere else manages that. The few seconds between checking the receipt and going for the keys decide how much requires cleaning. Everywhere other than a forecourt — a car park, a drive, a lay-by — the car was started and moved to get there, so fuel was pulled from that tank, through the fuel filter and into your high-pressure pump. That means the fuel lines and the fuel filter require flushing as well as your tank. It's not a catastrophe, and our engineers can still sort it out where your car stands.

Wheel it out of the way if the staff volunteer, and they usually will. The next driver gets through the petrol pump, and that's worth doing. Shifting the car four lengths doesn't justify cranking the engine.

Ham Hill and the areas next to it

Rockley Sands, Turlin Moor, Lake, Hamworthy, East Holton — all of them on our trips that take us over to Ham Hill as well, a residential suburb.

Our engineers do come. Those places above are merely the nearest neighbours, and a page is there for the majority of locations across Dorset, so an absence from the list is not an absence from our coverage. Presuming is the thing to skip, particularly on the border or somewhere the satnav gets lost. Ring us and ask.

Look at the map for the patch included on this page. The vehicle does not need to come to us. Our technicians work throughout all of that — roadside, forecourts, driveways, car parks.

Kerbside call-outs across Ham Hill

Not everybody has a chance to stop somewhere safe. Set off, then realised? Ended up on the verge of Rockley Holiday Park Road, or sat in some lay-by with your hazards on? That is a common call here. Not an unusual one.

Okay right there? Remain by it. Not safe? Get out and away from it. It will frequently oblige. A diesel running on petrol limps along very willingly, and that is the catch: fire it up to reach somewhere handier and that mix goes further into your fuel system with every mile driven. A van driving to an inconvenient place is no problem for us, and it's far better for the vehicle than driving on.

Driven it already? Stop, and see below

Here is where the local M27 comes into it — under 25 miles from Ham Hill. A loss of power, a rough idle, smoke: those are the symptoms when they arrive, rather than a neat stop — and a wrongly fuelled diesel will usually take you onto it and some distance along before anything seems wrong at all.

Never start it to reposition. Get off at the next safe exit and turn off. Long run? Anything near the under 50 miles to the closest city and you should suppose the lot — filter, pump, injectors, all of that arrived at by the mixture. Say that on the call, since it changes what goes in the van.

Where is Ham Hill?

Ham Hill is a suburban area located on the coast of Dorset, with an elevation of approximately 20 metres above sea level. Ham Hill sits near several nearby places, including Rockley Sands, Turlin Moor, and Lake, and is about 26 miles from the city of Salisbury. Ham Hill has a population of around 2307 people, predominantly living in semi-detached housing. Ham Hill is also relatively close to London, at a distance of around 98 miles.

The call-out in Ham Hill, step by step

  • Our technicians check what was put in, how much, and if your motor has run. The replies change the work, which is why we ask before pricing.
  • Out goes the tainted fuel.
  • Our technicians rinse your fuel lines and clear your filter, so what is remaining in the fuel system isn't what created the problem.
  • Clean diesel goes in, and then the fuel system gets bled.
  • It is started with new diesel in it, and we confirm that it's running correctly.

From there, you're ready to set off. Everything is done where your car is, so it never needs to go to a garage, and when it has been spotted soon, long-term damage is very unusual.

Ham Hill AdBlue removal is a distinct job

The problem isn't the same, though the first instruction is — do not crank it — if what went in was AdBlue instead of petrol. Petrol dilutes the diesel and strips the protection the system relies on. Corrosion and residue are what a diesel tank gets instead, because AdBlue is urea dissolved in water.

We cover both, and AdBlue removal in Ham Hill has its own page with the details — including why it is often the more significant of the two.

What a petrol-in-diesel fuel drain costs around Ham Hill

Our technicians can't put one figure on this page frankly, as this job isn't one job. What changes it:

  • Whether your motor has been started or driven. This is the big one.
  • The tank's capacity, set against how much of the wrong fuel went into it.
  • AdBlue or petrol, whichever went in.
  • Where the car is, and if our van can sensibly get to and work on it.

Tell us your vehicle, the quantity and whether it has run, and you'll get a clear answer rather than a range. For the vehicle at home that is going nowhere and is not pressing, is fine too.

Petrol in diesel: everyday queries in Ham Hill

I'm on a forecourt in Ham Hill. Can you drain it on the spot?

Yes, and it's where a big portion of this work takes place. Our technicians work at Shell and the other forecourts around town regularly, with the owner's consent — tell us which one you are at when you ring and we will tell you if we can work there.

Is there a sensible amount of petrol in a diesel?

It rests on the proportion rather than the litres, and a lot more on whether the motor 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 blend been pulled right through, or has it not?

Petrol in my diesel, and I have driven it

Stop safely. Off. Nothing after that. Driving moves the problem along — out of that tank, into your pump and injectors. People fear it a good deal more than the recovery rate warrants, mind. The one truly valuable thing left to you is not restarting the vehicle.

Fuel drains and manufacturer warranties

A drain then flush carried out properly is not an alteration and does not void a manufacturer's warranty. An argument over a warranty is likelier to come from running a diesel on petrol — so leave it turned off.

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

No. It belongs to a distinct fault from a different era, and petrol has weakened something no oil of that kind restores. Petrol stays in that tank later on, whatever else goes in, and your pump gets no reprieve from it.

A main dealer for petrol in a diesel — essential?

There is no need to take it to a franchised dealer, as we drain and flush your car wherever it is.

Standing next to it?

Never switch your engine on again.

If you have already driven it, pull in somewhere safe, turn it off then keep it off. A parked, cold motor is the best place to be in, and this is recoverable from far more commonly than motorists fear.

Draining misfilled cars, Ham Hill and the rest of Dorset, wherever they are. Roadside. Forecourt. Home.

Call 0333 366 0103