Blackwell: Put Petrol in a Diesel Car?
Petrol in Diesel drains and cleans wrongly fuelled vehicles where they stand, on the forecourt, by the roadside or on a private drive, throughout Blackwell and the rest of Durham. The very first thing to do is not to start the engine. When your engine has not been started and the fuel is still in your tank, a tank drain is almost always all it requires, and the following few minutes determine that, not how much went in. A single ring to us is enough: our engineers shall show you what follows next. Do that first.
Now what? Petrol in a diesel, in order
- Do not crank it — and don't believe it if it does start. Here is the bit drivers have wrong about petrol in a diesel specifically. A petrol engine given diesel normally just cannot run, and so the driver stops and the damage halts with them. A diesel given petrol usually starts, ticks over and pulls away quite happily for a couple of miles. It's not fine. It is wearing out your fuel system while you drive.
- Switching your ignition on commonly primes your system, and priming is what pulls petrol out of your tank and into the pump and injectors. Those are the components diesel keeps protected on its way through, before it combusts. Petrol does the burning and none of the oiling. Leave the car's ignition off.
- Do not pour diesel on top to thin it. A diesel fuel system will not accept petrol by percentage as that advice presumes, and topping up gets rid of nothing — it only leaves you a fuller tank of the same mixture. The octane makes no difference either: super unleaded is still petrol.
- A car that has not shifted is the easiest one to sort out, so stay where you are if you reasonably can. Pulled up on the verge on Blackwell Close? Hazards on, then keep it there. An odd spot works for us better than a started diesel.
- Keep your whereabouts ready before you ring. A postcode starting DL3 8 and whatever is next to you with a sign on it is the difference between our van turning up and our van circling.
- Phone 0333 366 0103. Prepare for three things — what went in, about how much, plus if the motor has been run. Those replies shape all that follows.
The high-pressure fuel pump did that morning run labouring on a fluid that had lost a great deal of the protection it is designed around. Diesel lubricates that pump, and the injectors with it, before any of your fuel ignites; petrol does the burning and none of the oiling. So take a diesel Skoda Octavia, fuelled at quarter past eight, driven in to work, and parked standing outside Darlington till it dawns on you at about eleven. Three hours of sitting have altered nothing about it. The few miles before that did a lot, which is why the question our technicians ask you is about mileage not time. Call us. Leave it exactly where it is.
A diesel pump supplies fuel to demand, and a hurried morning dash demands plenty — so three miles in your Audi A4 seems like nothing and is not. Twenty to nine by Abbey Infants' School, already late, a receipt in your hand reading unleaded: hazards on, ignition off, ring us.
Don't risk it. The drive home from Skerne Park Pub is quite possible, which is exactly the problem — a diluted tank doesn't stop a diesel starting or pulling away, it just wears down the parts the fuel is meant to protect. Phone us, and let the Ford Focus stay where it sits.
Our technicians flush your lines instead of only clearing your tank, and the reason is that diluted fuel has already reached the fuel filter and your pump: it was a start and a drive, however short. The drive truly assists — pulled off the forecourt, receipt read, a diesel Dacia Duster parked up near The Church of Jesus Christ of Latter-day Saints a few hundred yards later is about as well as this goes once your engine has turned. Ring us then leave it off.
The narrower petrol nozzle fits a newer diesel filler neck with practically no resistance at all, which makes this mechanical not slapdash. New spots see most of that for that reason. So: filled up near All Saints' Church, Blackwell without thinking, in a diesel BMW 5 Series you have had for two days? Call us where you are. Hire and courtesy cars usually get driven further before anyone notices, and miles decides how much petrol reaches the injectors.
Draining petrol from your diesel on the forecourt
The work kicks off at the pump, generally. Often enough the work finishes at one as well. If you are still on the forecourt at JET, that is typically where the drain gets done — our technicians work on garage forecourts all the time, with the station's agreement.
Before your motor has started — the forecourt is the only place the mistake is spotted. The few seconds between reading your receipt and going for your key decide how much needs cleaning. Anywhere other than the forecourt — a car park, a private drive, a lay-by — the car was fired up and moved to get there, so fuel was pulled from the tank, through the fuel filter and into the high-pressure fuel pump. That means your lines and your filter require cleaning as well as the tank. It's not a disaster, and our technicians can still deal with it where your car sits.
Out from the petrol pump, the next motorist can get past — so yes, let the attendants help you move the car. Very much worth doing. Four vehicle lengths is not worth a restart.
Blackwell and the towns near it
Being a residential suburb, Blackwell sees a regular visit, while the areas close by come with it on the same trip: Skerne Park and Hummersknott, Stapleton and Darlington, Black Banks.
If yours isn't on this list it does not mean we never come — there are pages for most places around Durham, and the ones mentioned above are just the immediate neighbours. Call us and enquire instead of presuming, especially if you are on the boundary or somewhere a satnav gets wrong.
This map shows the ground the page spans. Your vehicle does not need to move to us. We work over the lot — kerbside, forecourts, driveways, car parks.
Stuck by the kerbside in Blackwell
The opportunity to pull in anywhere safe does not come to everybody. A routine call for us instead of an unusual one: worked out after setting off, landed along the verge of Cypress Close or in a lay-by with your hazards going.
Okay where you are? Wait beside it. Not fine? Get out and clear of it. Every mile a diesel obliges you for on petrol pulls that mix further into the system — and oblige it frequently will, which is why your motor doesn't get restarted to limp somewhere handier. Carrying on does the car far more harm than a technician coming out to a tricky location, and that is no trouble for us.
Driven it already? Pull in, and check this
This is where the A66(M) comes in, under a mile out of Blackwell. It will frequently get you onto it, and some way along, before you feel a thing. Then it's some smoke, a rough idle and power ebbing away — not a tidy stop. Wrongly fuelled diesels seldom give you one of those.
Get off at the next sensible exit, turn off, and don't restart the car to move it. It changes what our technicians bring, so say so when you phone: on a longer run — anything close to the under 25 miles to the nearest city — assume the petrol has been through the filter, the pump and the fuel injectors.
Blackwell itself
Blackwell is a suburban area situated on the riverside in County Durham, with a population of around 1480 people. Blackwell sits at an elevation of 52 metres, approximately 18 miles from the city of Durham, and is characterized by its predominant semi-detached housing. Blackwell is located near other local places such as Skerne Park, Hummersknott, and Stapleton, and is about 216 miles north of London.
Once our engineers arrive with you in Blackwell: what happens
- Our technicians ask first, quote after. What went in? How much? Has the motor run? Those responses shape what the work actually is.
- Our technicians drain your tank of all the tainted mixture.
- Our engineers purge your fuel lines and clean your filter, so what is left in the system is not what caused the trouble.
- Our technicians pour fresh diesel in and bleed the system.
- It's fired up with fresh diesel in it, and we check that it is running properly.
That has your car ready to set off. There is no need to go to a garage at any stage, as the work is all done where the vehicle is, and when it is caught early, long-term damage is very uncommon.
A separate job: AdBlue in a diesel tank in Blackwell
Don't start it: that opening step stands whether what got in was AdBlue or petrol. What differs is this problem itself. Petrol does two things to diesel: weakens it, and takes away the lubrication the system depends on. AdBlue? Urea dissolved in water. Tip that in with the diesel and you get corrosion instead, plus residue.
Our technicians handle both, and AdBlue removal in Blackwell has its own page with the details — including why it is often the more significant of the two.
How much is a petrol-in-diesel fuel drain around Blackwell?
One price wouldn't be honest here, because this is not one job. These are the things that move it:
- Has it been started or driven? Nothing else counts for as much.
- How much of the wrong fuel got in, against how much the tank takes.
- AdBlue or unleaded, whichever went in.
- Where the car is, and whether our van can safely reach and work on it.
A firm answer instead of a range is what you get for telling us three things: the vehicle, the amount, and if it has run. If it isn't urgent — your car is at home and going nowhere — is fine too.
Blackwell drivers ask us these about petrol in diesel
Can you do a fuel drain at a petrol station in Blackwell?
A fair part of this work gets done there, so yes. Often, provided the site agrees: Esso, 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 technicians answer there and then.
How much petrol in a diesel is too much?
Whether your motor has run matters far more, though the ratio counts too, instead of the litres. 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?
I put petrol in my diesel and drove the vehicle. What next?
Stop safely. Off. Nothing after that. Driving is what moves the trouble from your tank into the pump and injectors — but it's recoverable far more frequently than drivers expect, and the single most useful thing you can do now isn't restart it.
Fuel drains and manufacturer warranties
A manufacturer's warranty survives a drain and flush done to a correct standard, which is no change at all. What's likelier to start a disagreement is a diesel that has been run on petrol. One more good reason for your engine to remain off.
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 weakened. Your tank still has petrol in it later on, and the pump still has to put up with it.
Main dealers and petrol in a diesel
There's no need to bring it to a dealership, since our engineers drain and flush your car wherever it is.
Standing next to it?
Keep it turned off.
Driven it already? Then somewhere safe, stop, switch off, and no restarting the car afterwards. A parked, cold vehicle is the best position to be in, and this is recoverable from far more regularly than drivers assume.
At the roadside, on the forecourt or at home — mobile fuel draining in Blackwell and across Durham.