Should You Worry? Petrol in a Diesel Car in Bordesley Green East
Provided it has not been started, worry less than you probably are. "Have I ruined it?" is the first thing anyone around Bordesley Green East asks, and the honest answer is usually no, since petrol resting in a diesel tank hurts nothing until it's dragged through the system — by ignition priming, by the starter, or by driving. Petrol in Diesel is who to phone, with your engine left off, so it stays that way. Below, you will find what petrol really does inside a diesel, how far it may have gone, and how to stop it happening to you again.
Inside your engine: what petrol in a diesel does
On its way through an engine, diesel has two jobs. Before it burns, it protects — then it ignites. Built to extremely fine gaps, your injectors and your pump rely on your diesel moving through them to keep their surfaces from wearing against one another.
Poorly at the first, not at all at the second: that's petrol. A pump running on a petrol mixture is wearing itself out, since petrol is thinner than diesel and strips out the lubrication the fuel system depends on. Petrol is also made to resist igniting under compression — the opposite of what a diesel needs from its fuel — and that's where any knocking starts.
Seen together, they make clear the shape the problem has. The damage is done by movement, not by contact. Petrol in the tank is a fuel fault. 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 your injectors downstream.
How serious is petrol in a diesel? Four situations we see in Bordesley Green East
Fuelled, and never started: nothing beats it. Just your tank has petrol in it, so the job is draining your tank and flushing the fuel system where the vehicle stands. This situation can only truly occur on a forecourt: anywhere else, the car got there by being driven.
Started for a moment, or only your ignition on. Once primed, your system has drawn petrol from the tank as far as the fuel filter and the fuel lines. That is normally still a straightforward job — a drain, a flush, and the fuel filter dealt with.
Driven a few miles. Now your pump has spent those miles running on diluted fuel. Tank, lines, filter, then fresh fuel run through the whole circuit: that's the work, and the way the car was driven matters as much as the mileage. Short trips, like the school run to St Bernadette's Catholic Primary School, are one matter. Driving as far as Birmingham, under 5 miles away, makes a very different task — as does any miles on the M6, under 3 miles from Bordesley Green East, with the engine labouring hard the whole time.
Driven till it complained. Rattling, a lumpy idle, smoke, a throttle that has gone soft. That's the motor telling you its fuel has stopped acting like diesel. Stop on the spot — on the verge on Fosbrooke Road, at the kerb, down a side road — and do not move it. The fuel drain and flush-through still come first, and they take care of it: when a vehicle is stopped early, lasting damage is very rare.
Petrol in a diesel myths Bordesley Green East drivers hear
"Top it up the rest of the way with diesel and it will be fine" — a myth. It won't. Topping up takes out nothing; it gives you a fuller tank of the same mix. The idea behind that advice — that diesel fuel systems tolerate petrol by percentage — is wrong.
Not so: a current diesel copes with a bit of petrol. If anything, the opposite. A newer diesel sends its fuel through finer parts at higher pressure, which makes the lubrication matter more, not less.
Myth: "If it starts and drives, there's no damage done." This is the one that fools drivers. The motorist of a petrol motor fed diesel normally stops, since it will not run, and the damage stops there. Feed petrol to a diesel and it usually starts, idles and pulls away like nothing happened — all the while its pump is wearing. A running engine does not mean fine.
An old workaround for a different issue is behind this one. Myth: "Add some two-stroke oil and drive the vehicle home." That petrol is still in that tank afterwards, and whatever it has thinned is not put back.
The next start draws petrol back round your pump from the fuel lines and the filter, where some of it sits after the engine has been run. That's why draining your tank yourself doesn't sort it — a myth. Also, a can of petrol filled by the roadside is genuinely dangerous.
How does petrol in a diesel occur?
Carelessness is rarely the cause, and no one means to do it. The forecourt makes it simple: the petrol nozzle is the narrower of the two, and it slips into a diesel filler with almost no resistance, whilst a diesel nozzle mostly will not go into a petrol vehicle at all. So the slip runs one way.
When habit and the car stop matching, it happens. A new motor, a hire car or a courtesy car. Households running one of each, petrol and diesel. Your normal forecourt, its pumps now in a different order. A train to catch, and a rushed fill en route to Adderley Park. A new-to-you diesel Skoda Octavia, its first fuelling, and a motorist accustomed to petrol: exactly when it happens. Your hand does what it has always done when you add rain, a phone call or a back seat full of kids.
Bordesley Green East drivers: how to avoid petrol in a diesel next time
- The label is what counts, so read the petrol pump instead of the colour: in the UK unleaded handles are usually green and diesel black, yet not on every forecourt.
- The first fill in a new motor is the time to check the filler flap — inside it, or on the cap, many cars state which fuel to use.
- Label the key. In a home with one of each, a coloured fob or a sticker on your diesel's key does more than any amount of intending to remember.
- Before the nozzle comes off the petrol pump the first time you fill a hired or new vehicle, say "diesel" aloud. Silly, yes, yet it works.
- Thinking about something else is when this becomes an easy mistake to make, and so put your phone away and keep your mind on the petrol pump.
- Some diesels come with a filler designed to block a petrol nozzle, and devices you can add are available for cars without one. Such an inhibitor helps up to a point — as a safety net, not a reason to stop reading the petrol pump.
- Spotting it mid-fill? Stop there and then. A weaker mix results from less petrol inside your tank, yet your next stage remains the same: do not fire it up.
Petrol already in a diesel in Bordesley Green East? Start here
The order of things is brief, then. Starting it is out, and so is turning on your ignition. Ask the attendants to help you push it away from the petrol pump if you're still on the forecourt, whether that's Texaco or somewhere else. What went in, about how much, and if it's run: tell us those when you phone 0333 366 0103.
AdBlue, not petrol? Then say so. Corrosion and deposits, not lost lubrication, make it a separate problem — Bordesley Green East has a page all for it.
Why one petrol in a diesel job around Bordesley Green East costs more than another
An honest single quote does not exist here: four scenarios, four separate jobs. Chiefly, the cost moves with which one you're in. The ratio counts next, meaning how much of that tank is petrol, and then the location of the car and whether reaching it is safe for a van.
That is why our technicians ask three questions before costing rather than after: what got in, how much, and if it has run. A range becomes a straight figure once the replies are in.
About Bordesley Green East, for a moment
Bordesley Green East is a suburban area in the West Midlands, situated near the River Rea and close to the city of Birmingham. Bordesley Green East has a mix of terraced housing and local amenities, with nearby areas including Little Bromwich and Hay Mills. Bordesley Green East is located at an elevation of around 124 metres, approximately 3 miles from Birmingham city centre. Bordesley Green East is part of the larger Birmingham urban area, with easy access to the city's facilities and services.
Across West Midlands and around Bordesley Green East: fuel drain cover
Petrol in diesel jobs in Bordesley Green East — part of the B postcode area — go to vans that also cover the locations around it, Little Bromwich, Bordesley Green and Hay Mills among them. A forecourt, a supermarket car park, a lay-by or your own drive are all spots we drain, and the car doesn't need to move to us.
At the pump around Bordesley Green East, right now?
In that case, you could not be in a better spot. Switched off it remains; then phone.