Should You Worry? Petrol in a Diesel Car in Blounts Green
Not started? Then less anxious than you probably feel. "Have I wrecked it?" is the first question anyone in Blounts Green asks, and the truthful answer is normally no, since petrol resting in a diesel tank harms nothing till it is drawn through your fuel system — by ignition priming, by your starter, or by being driven. To leave the car like that, phone Petrol in Diesel then leave the engine switched off. The rest of this page sets out what petrol really does to a diesel, how to tell how far it has got, and how to make sure it doesn't happen to you again.
The motor and petrol in a diesel: what goes on
Diesel does two tasks on its way through a motor. Before it burns, it protects — then it ignites. Very fine tolerances go into the fuel injectors and the high-pressure pump, and only the diesel running through stops those surfaces grinding together.
Of those two tasks, petrol manages the first badly and the second not at all. A pump running on a petrol blend is wearing itself out, because petrol is runnier than diesel and strips out the lubrication the fuel system relies on. Petrol is also made to resist igniting under compression — the reverse of what a diesel wants from its fuel — and that's where any rattling comes.
Seen together, they show what shape the trouble takes. The harm is done by movement, not by contact. Where the petrol is only inside the tank, it is a problem of fuel, nothing more. A pump that has been running on that petrol is the beginning of a mechanical one, and whatever a worn pump sheds moves on with the fuel to the injectors further on.
How bad is petrol in a diesel? Four situations our technicians see around Blounts Green
The best case there can be: filled up, not once started. That petrol is in the tank and just that tank, and the job is a drain and a flush where the car sits. This is the one situation that can only truly occur on a forecourt, since anywhere else the car has been driven to get there.
The ignition turned on, or a short start. The system has been primed, and so petrol has left the tank and reached your filter and your lines. Drain, flush, see to your filter: still usually straightforward.
Your pump has worked a couple of miles on weakened fuel — that is what driving it meant. Distance is only half of it; how hard it was driven counts equally. Either way the work includes the tank, the lines, the fuel filter and fresh fuel through the entire system. Driving the kids to Picknalls First School is one kind of trip. Any mileage on the M6, under 15 miles from Blounts Green, means the engine working hard throughout, and a run to Lichfield, under 15 miles away, is a very different task too.
It protested, and only then stopped: smoke, knocking, a throttle gone soft, an idle gone ragged. What you are hearing is the motor reporting fuel that no longer behaves like diesel. Whether it's the verge on B5013, a lay-by or a side street, stop there and leave it. Lasting damage is very unusual when a vehicle is stopped soon, and the fuel drain and flush that still go first deal with it.
Stories Blounts Green people hear about petrol in a diesel
Myth: topping up to full with diesel makes it fine. It doesn't. A fuller tank of the same mixture is all it gives, since topping up removes nothing. Percentage is not how a diesel fuel system copes with petrol, whatever that guidance presumes.
Myth: "A newer diesel can cope with a bit of petrol." If anything, the opposite. Protection counts more on newer diesels, not less, because their fuel runs through finer components at higher pressure.
One myth that catches drivers out: if it starts and drives, it must be unharmed. Any petrol engine fed diesel usually won't run, so the motorist stops and the damage stops with them. A diesel fed petrol generally starts, ticks over and drives away as though nothing has happened, while your pump grinds. Fine and running aren't the same thing.
Not so: a two-stroke additive makes it safe to drive home. It was an old workaround, supposed for another fault. What petrol has thinned remains thinned, and the petrol remains in the tank anyway.
"Drain it yourself and you're sorted" — a myth, since after it has been running some petrol lies in the filter and lines, ready to go right back through the pump on your next start. It is also truly hazardous to drain petrol into a can by the roadside.
Why petrol in a diesel takes place so easily
On purpose? Never. Through carelessness? Seldom, if ever. The petrol nozzle is the narrower of the two and slips into a diesel filler with almost no resistance; a diesel nozzle mostly won't go into a petrol car at all. The forecourt makes it easy, and the slip runs one way.
It happens when routine and the vehicle stop matching. Courtesy car, hire car, or a motor that is new. One petrol and one diesel on the drive of the same household. Your ordinary forecourt, its pumps now in a different order. A train to catch, and a hurried fill en route to Uttoxeter. Exactly the moment it occurs: after years of driving petrol, someone fills a diesel Volkswagen Golf for the first time. Your hand does what it has always done when you add rain, a phone call or a back seat full of kids.
How to avoid petrol in a diesel at your next fill-up in Blounts Green
- The label is what counts, so read the pump instead of the colour: in the UK unleaded handles are usually green and diesel black, but not on each forecourt.
- Many motors state the fuel inside the filler flap or on the cap, so check it on the first fill in a vehicle you don't know.
- Mark the key. In a household with one of each, a coloured fob or a sticker on the diesel's key does more than any amount of intending to remember.
- Say it before you lift it. On the first fill in a new or hired car, say "diesel" out loud before you take the nozzle off the petrol pump. It sounds silly and it works.
- Put your phone away. This is an easy mistake to make while you are thinking about something else.
- Up to a point, a misfuel inhibitor helps: some diesels have a filler designed to reject a petrol nozzle, and aftermarket devices exist for the rest. Treat it as a safety net, and keep reading the pump.
- Less petrol means a thinner mixture, and so stop as soon as you notice — though remembering that your next stage is unchanged. It is still not to start it.
Already put petrol in a diesel in Blounts Green?
Then, there's just a short order of things. Leave it unstarted, with your ignition off as well. The attendants at the forecourt — whether at Tesco itself or wherever you filled up — will normally help roll it away from the petrol pump if you ask. Ring 0333 366 0103 next, with three answers — the fuel, the rough amount, and whether it's run.
Say so if it was AdBlue rather than petrol: it is a different problem, with its own page for Blounts Green, because AdBlue brings corrosion and deposits rather than lost lubrication.
What makes one Blounts Green petrol in a diesel job cost more than the next
A fair single quote doesn't exist here: four situations, four separate tasks. Mostly, your cost shifts with which one you are in. Next it is the ratio — how much petrol was put in against how much your tank holds — and then where your car is and whether a van can get to it safely.
Three queries come first, before any quote, rather than after — what went in, how much, has it run — and this is the reason. A range becomes a straight figure when those replies are in.
About Blounts Green
Blounts Green is a suburban area in Staffordshire, situated on the riverside at an elevation of 119 metres. Blounts Green lies near the city of Lichfield, approximately 14.5 miles away, and is also close to other nearby places such as Balance Hill and Mount Pleasant. Blounts Green has a population of around 721 people and predominantly features detached housing. Blounts Green is located in the West Midlands region, about 121 miles from London.
Fuel drain cover across Staffordshire, Blounts Green included
Petrol in diesel jobs around Blounts Green — part of the ST postcode area — go to teams that also cover the locations about it, Balance Hill, Mount Pleasant and Uttoxeter among them. We drain wherever your car is — your own driveway, a lay-by, a supermarket car park, a forecourt — so it never needs to come to us.
Still at the pump in Blounts Green?
No position is better: that is where you are. Ring, and keep it switched off.