Clifton: Put Petrol in a Diesel Car?
Never fire up the motor. While the fuel is still in your tank and the engine has not turned over, a fuel drain is almost always all it requires — and that gets decided in the following few minutes, not by how much got in. Petrol in Diesel drains and cleans wrong-fuelled vehicles where they stand, all over Clifton and the rest of Cheshire, on the forecourt, by the roadside or on a private drive. A single call our way will be enough: our technicians can tell you what comes from here. Do this right away.
Petrol in a diesel: what to try next
- Do not fire it up — and never trust it if it runs. This is the bit motorists get wrong about petrol in a diesel specifically. A petrol motor filled with diesel typically just can't run, and so the person stops and the wear ends with them. A diesel filled with petrol normally starts, ticks over and drives away without complaint for several miles. It isn't fine. It is grinding that fuel system as you drive.
- Flicking your ignition on usually primes the system, and priming is what moves petrol out of that tank and into the pump and injectors. Those are the parts diesel keeps lubricated on its way through, before it burns. Petrol manages the burning and none of the protecting. Leave the car's ignition alone.
- Topping up clears nothing. It hands you a bigger tank of the same blend, since a diesel fuel system will not accept petrol by percentage in the way that guidance suggests — so do not pour diesel on top to weaken it. Grade is irrelevant too: super unleaded is petrol.
- Sit tight if it's wise to. Hazards on, engine off, leave the car. Wherever you have stopped — the verge on Cholmondeley Road, anywhere — an awkward spot for us beats a started diesel, and nothing is simpler for us to deal with than a vehicle that never shifted.
- The van showing up rather than circling rests on two things: a postcode beginning WA7 4, and whatever is nearest to you with a sign on it. Get both prepared before you call.
- Three details settle the whole call-out: the stuff you tipped in, the rough amount of it, plus if anything has been turning since. The number is 0333 366 0103.
The high-pressure pump did that morning drive labouring on a liquid that had lost much of the protection it is built around. Diesel lubricates that pump, and the fuel injectors with it, before any of your fuel ignites; petrol does the burning and none of the lubricating. So picture a diesel Volkswagen Golf, fuelled at quarter past eight, taken in to work, and left standing at Frodsham until it dawns on you at about eleven. Three hours of sitting have altered nothing about it. The couple of miles before that did a good deal, which is why the question our technicians ask is about distance not time. Phone. Keep the car just where it sits.
It will start. It will move off perfectly well. That's the issue, because a diesel on a diluted tank acts typically whilst wearing down the parts its fuel should be protecting. So no, do not try the trip home from The Beechwood — leave the Ford Focus and phone us.
Leave the BMW 1 Series close to Rocksavage and call us. We are firm about not driving on as a worn-out pump loses, and what it gives off travels on with the fuel to the fuel injectors downstream.
Knocking? Uneven idle? White smoke, throttle gone soft? That is your misfuelled Peugeot 2008, a diesel, saying what's wrong with it. Stop wherever you happen to be, perhaps by Beechwood West Community Centre, and leave the restarting alone.
Somebody confident will tell you to drain the vehicle and put fresh diesel in. Half true, that. Try it on a diesel Citroen C4 by The Church of Jesus Christ of Latter-day Saints and your engine will start — which is exactly why it sounds like sense. Here is the trouble: there's petrol left in the fuel 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 the tank. Phone us. The system gets purged, the filter comes off where there is one worth removing, and that is what separates a repaired car from one that only starts.
Can petrol be pumped out of a diesel at a forecourt?
Forecourts are where this work often kicks off, and where a big part of that ends. The drain usually gets done there and then. Still on the forecourt at Shell? Given the owner's permission, that is somewhere we work, and routinely.
A forecourt is the one setting the mistake can be caught before your motor has fired. Our engineers can still put it right where it sits, even away from the pumps. In a car park, on a drive or in a lay-by, your car has been fired up and driven there, and that sucked fuel through the filter and into your high-pressure pump, right from that tank. None of that is a calamity, though the flush then has to reach past your tank to the lines and your filter, and the few seconds between reading the receipt and reaching for the keys are what decide that.
Away from the pump, the next driver can get through — so yes, let the attendants help you move the vehicle. Very much worth it. Cranking the car for four vehicle lengths? No.
Clifton plus the villages next to it
Beechwood, Heath, Hallwood Park, Grange, Rocksavage — each of these on the runs that carry us out to Clifton as well, a residential suburb.
Not on this list? It means nothing. The names above are only the nearest few, and most towns around Cheshire have a page of their own elsewhere on our site. Guessing is the habit to avoid, particularly on a border or anywhere your satnav goes wrong. Phone to ask.
The map is the area this page spans. The car does not need to move to us. We operate throughout the lot — kerbside, forecourts, driveways, car parks.
Clifton: stuck where you stopped
Not everybody gets a sensible place to pull in. If you realised after setting off and landed along the verge of Cholmondele Road, or at a lay-by somewhere with your hazards on, that's a normal call for us rather than a rare one.
Wait by the car when it is safe to sit in it, but clear of the car if it is not. Do not start it up to reach a nicer location. It'll go — a diesel on petrol normally obliges — and each mile of obliging drags the blend deeper into the system. We'll take our van to an awkward place without any bother, and for the vehicle that's a lot better than carrying on.
Run it already? Pull over, then check this
Your M56 is the road that matters here, and it sits under a mile from Clifton. Lost power, an uneven idle, smoke: those are the symptoms when they come, rather than a tidy stop — and a wrongly fuelled diesel will often get you onto it and some distance along before anything seems wrong at all.
Take the first junction that is safe, stop there, and never start the vehicle to reposition. On a longer drive — anything near the under 15 miles to the nearest city — take it the contamination has been through your filter, your pump and the injectors, and say so when you ring. It changes what our engineers bring.
Clifton itself
Clifton is a suburban area in Cheshire, situated near the coast and approximately 11 miles from Chester. Clifton has a relatively low elevation of 16 metres and is characterised by detached housing. Clifton is part of a larger residential area that includes nearby places such as Beechwood and Heath.
When our engineers reach you around Clifton: what happens
- Our engineers ask first, price after. What went in? How much? Has the motor run? Those responses alter what the work really is.
- The tank gets emptied of it.
- What is left in the system shouldn't be what created the trouble, and so your fuel lines get purged and the filter cleared.
- Priming follows, once new diesel is in.
- It's started with new diesel in it, and our engineers confirm that it is running smoothly.
From there, you're ready to pull away. Everything is done where your car is, so it never has to be taken to a garage, and when it has been spotted early, long-term damage is very unusual.
AdBlue in a diesel tank around Clifton is a separate problem
The problem isn't the same, though the first step is — never crank it — if what went in was AdBlue instead of petrol. Thinned diesel, and no protection left for the system that depends on it. That's petrol. Urea in water, AdBlue, and in a diesel tank that brings corrosion and residue.
AdBlue removal around Clifton has a page of its own with the detail on it, including why it is usually the more significant of the two. Our technicians cover both.
Clifton pricing for a petrol-in-diesel drain
One price would not be fair here, as this is not one job. These are the things that shift it:
- This is the key one: whether your engine has been started, or driven.
- How much of the wrong fuel got in, weighed against how much that tank holds.
- Whether it was petrol or AdBlue.
- Where the car is, and whether our van can sensibly get to and work on it.
A firm answer rather than a range is what you get for telling us three things: the vehicle, the amount, and if it has run. Not pressing, with your car at home and going nowhere? Then is fine.
Petrol in diesel: common questions in Clifton
I'm on a forecourt around Clifton. Can you drain the vehicle here?
Yes, and it's where a large part of this work happens. We work at Texaco and the other forecourts around town routinely, with the site's consent — tell us which one you're at when you ring and we will tell you whether we can work there.
How much petrol is too much for a diesel?
Proportion settles it instead of litres — and more than either, whether your motor has run. A nearly empty tank with five litres in it, against a full one with the same five: distinct scenarios, definitely. Either way, the work required comes down to one thing, which is if your fuel system has had that blend pulled through it.
I put petrol in my diesel and drove the vehicle. What next?
Stop safely. Off. Nothing after that. Driving moves the problem along — out of that tank, into your pump and injectors. Motorists fear it a good deal more than the recovery rate warrants, mind. The one genuinely valuable thing left to you isn't restarting the vehicle.
My warranty — does a fuel drain void it?
It's not a change, so a drain and flush carried out properly doesn't void a manufacturer's warranty. Another good reason to leave it turned off: running a diesel on petrol is the thing more likely to cause an argument with one.
Could I put some two-stroke in and just drive?
No. Two-stroke oil is an old fix for a different issue and it doesn't restore what petrol has diluted. The pump still has to live with it, because your tank still has petrol in it after that.
Main dealers and petrol in a diesel
Wherever the vehicle is, our technicians drain and clean it there, so a trip to the main dealer does not come into it.
You, and your vehicle, still together?
Leave the car turned off.
Turn it off somewhere safe and keep it off, if you have already driven it. A parked, cold motor is the best position to be in, and this is recoverable from a lot more regularly than motorists expect.
Throughout Cheshire and in Clifton: mobile fuel draining, at home or on the forecourt or at the roadside.