Petrol in a Diesel Car in Baddeley Edge: How Worried Should You Be?
Less than you likely are, if it hasn't been started. Everyone in Baddeley Edge starts with "have I ruined it?", and the honest answer is usually no: petrol resting inside that tank of any diesel stays harmless until priming, cranking or driving draws it into the system. Petrol in Diesel is who to ring, with your engine kept off, so it remains that way. The rest of this page covers what petrol really does to a diesel, how to judge how far it has got, and how to make sure it doesn't happen to you again.
Inside the engine: what petrol in a diesel really does
Passing through an engine, diesel does two things at once. Lubricating comes before burning; it does both. Extremely fine tolerances go into the fuel injectors and the high-pressure fuel pump, and only the diesel flowing through keeps their surfaces from grinding together.
Of those two tasks, petrol manages the first poorly and the second not at all. It's runnier than diesel and strips away the lubrication your fuel system depends on, so a pump running on a petrol mix is a pump wearing itself. And petrol is made to resist igniting under compression, which is the opposite of what a diesel needs from its fuel. That is where the rattling comes from.
Put these together and the shape of the issue is clear. Contact doesn't do the damage — movement does. All a tank with petrol in it amounts to is a fuel problem. A pump that has been working on that petrol is the start of a mechanical one, and whatever a worn pump sheds moves on with the fuel to your injectors further on.
Baddeley Edge, petrol in a diesel: four cases, from mild to significant
Filled up, and not started: no case is better. The petrol is in that tank and only your tank, and the job is a drain and a flush where the vehicle stands. This is the one situation that can only truly happen on a forecourt, since anywhere else your car has been driven to get there.
Ignition on, or started for a second. Petrol has come out of that tank and reached the filter and the lines, because your system has been primed. That's normally still an easy job — a drain, a flush, and your filter dealt with.
Those few miles on the road meant the pump labouring on fuel weakened by petrol the whole way. How hard the vehicle was driven matters as much as how far, and this work covers the tank, the lines, the fuel filter and fresh fuel through the entire system. The school run to Hillside Primary School is one thing. A run as far as Stoke-on-Trent, under 3 miles away, is a very different job. So is any miles on the M6, under 10 miles from Baddeley Edge, where the motor has been running hard throughout.
Driven until it protested. Clattering, a ragged idle, smoke, a throttle that has gone soft. The fuel isn't behaving like diesel any more, and your motor is saying so. Stop where you are — on the verge on Red Lane, at the kerb, down a side road — and do not move it. Permanent damage is very uncommon if a vehicle is stopped quickly, and the fuel drain and flush that still go first sort it out.
What Baddeley Edge motorists get told about petrol in a diesel — and the myths in it
Myth: topping up to full with diesel makes it fine. It does not. A fuller tank of the same mix is all you get, because topping up takes out nothing. That advice supposes a diesel fuel system tolerates petrol by percentage. It doesn't.
Myth: "A current diesel can cope with a bit of petrol." If anything, the reverse. A modern diesel sends its fuel through more precise parts at higher pressure, which makes the protection matter more, not less.
The myth that catches motorists out: if it starts and drives, it must be unharmed. The driver of a petrol engine fed diesel usually has no choice but to stop, because it will not run, and the damage stops there. A diesel fed petrol generally starts, ticks over and drives away as if nothing has happened, whilst the pump wears. Running isn't the same as fine.
An old fix for a separate fault lies behind this one. Myth: "Add some two-stroke oil and drive it home." It doesn't put back what petrol has diluted, and that petrol is still in the tank after that.
"Drain it yourself and you are sorted" — a myth, because after it's been running some petrol lies in the filter and lines, waiting to go right back through your pump at the next start. And, a can of petrol drained at the kerbside is truly risky.
Petrol in a diesel: how does it take place?
On purpose? Never. Through carelessness? Rarely, if ever. A diesel nozzle generally won't go into a petrol motor, but the slimmer petrol nozzle goes into the filler of a diesel nearly without resistance — so forecourts make this one mistake simple, and only in that direction.
It occurs when routine and the car stop matching. Courtesy car, hire car, or a motor that's new. A household with one petrol and one diesel on the driveway. Your normal forecourt, its pumps suddenly in a different order. Fuelling up in a hurry en route to Longport, with a train to catch. Exactly the moment it happens: after years of driving petrol, a driver fills a diesel Renault Megane for the first time. With rain, a call coming in, or children to deal with, the hand just does what it has always done.
Baddeley Edge people: how to prevent petrol in a diesel next time
- Check the petrol pump, not the colour. In the UK unleaded handles are normally green and diesel black, but not on every forecourt. The label is what counts.
- The first fill in a strange vehicle is the time to check your filler flap — inside it, or on the cap, plenty of motors state the fuel to use.
- Mark your key. In a household 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 motor, say "diesel" out loud. Silly, yes, but it does the trick.
- Put the phone away. This is an easy mistake to make whilst you're thinking about something else.
- Add-on devices are available for cars without one, and some diesels come with a filler that won't accept a petrol nozzle. Helpful — but a backstop at best, never a reason to stop checking the label.
- Stop the moment you realise. Less petrol inside the tank makes a weaker mixture. It does not change what to do next, which is still not to crank it.
Petrol already in a diesel around Baddeley Edge? Start here
Then, there's just a short order of things. Do not turn the ignition on, and do not fire it up. The staff at the forecourt — whether at Shell itself or wherever you filled up — will usually help push it away from the pump if you ask. Phone 0333 366 0103 next, with three facts — your fuel, the rough quantity, and whether it's run.
If it was AdBlue and not petrol, say so. That's a separate problem — corrosion and deposits and not lost lubrication — and it has its own page for Baddeley Edge.
What makes one Baddeley Edge petrol in a diesel task cost more than the next
There's no honest single price for this, since the four situations above are four separate tasks. Which of them you're in is mostly what shifts your cost. Two things follow that: the petrol that got in as a share of what that tank takes, then the spot the car is in and whether a technician can get to it safely.
That's why our technicians ask three questions before quoting rather than after: what was put in, how much, and whether it has run. A range turns into a straight figure once those replies are in.
About Baddeley Edge, for a moment
Baddeley Edge is a suburban area situated near Stoke-on-Trent in Staffordshire, with a mix of semi-detached housing and local amenities. Baddeley Edge sits at an elevation of 204 metres, overlooking the surrounding countryside and nearby settlements like Light Oaks and Baddeley Green. Baddeley Edge is located approximately 2.8 miles from Stoke-on-Trent, making it a convenient residential area for those working in the city. Baddeley Edge has a population of around 3304 people, according to recent estimates.
Baddeley Edge and Staffordshire: where our fuel drain cover runs
The teams answering petrol in diesel calls in Baddeley Edge, in the ST postcode area, equally work the places around it, Light Oaks, Baddeley Green and Milton included. A forecourt, a supermarket car park, a lay-by or your own driveway are all locations we work, and your car does not need to move to us.
Baddeley Edge: still at the petrol pump?
Then you are in the best spot there is. Leave the car turned off, then ring.