Box: Petrol in a Diesel Car? Here Is What Happens
Whatever you do, never switch your motor on, even briefly, to shift the car. Stop; leave the car off. Cleared and purged, right where it sits: that's normally all an unrun diesel with petrol in it takes. Whether it remains that straightforward rests on the minutes ahead far more than on everything else. Anywhere you are around Box, this is the order things go from now.
Petrol in a diesel, motor off — the first minute
Work through the following in sequence, first.
- The ignition off, keys out. Switched on, the ignition can prime the system — and priming is what draws petrol out of the tank into the parts it damages.
- Do not top it up with diesel. Adding diesel removes nothing. You are left with a fuller tank of the same mix.
- Make the vehicle easy to see before anything else — hazards on — if there is traffic going past anywhere near you.
- However short the distance, starting it to move it is the thing to avoid. On a forecourt, push it clear of the petrol pump by hand instead, then ask the staff to lend a hand.
- Keep your receipt. It shows which fuel got in and about how much, which is the first thing we will ask.
If you were still on the move when you realised, stop somewhere safe rather than pushing on for the services — on the M4, under 10 miles from Box, that means the next exit. Stage one comes next.
Has it run yet? The fork in each Box fuel drain
From this point on, everything hinges on a single answer.
Not run, not even once:
- The petrol is still inside that tank and nowhere else.
- The work is a drain and a flush, usually done where the car is.
- Step one counts for exactly this reason: it's the best spot to be in.
If it has been started, even for a second:
- The lines and your filter now carry petrol drawn out of your tank.
- A longer run carries it all the way to the high-pressure fuel pump and the fuel injectors.
- Lines flushed, your filter dealt with, and sometimes more: the job expands as the distance does.
Diesel keeps the high-pressure fuel pump and the injectors oiled as it goes through them. Petrol gives them nothing, and that's why the line is drawn there. Petrol resting in a tank harms nothing. Petrol being pumped is grinding down the components that shift it.
Before you call about petrol in a diesel in Box: what our technicians need
Get ready a little, and the technician finds you rather than circling.
- SN13 8 and the rest of the postcode is the ideal way to begin telling us where you are.
- The street or the car park. A road name helps — Market Place, or wherever you have stopped.
- Name a car park by what it serves — the one outside Co-op Food, for example — and it is far quicker to find.
- Tell us what your car is — make, model — and confirm it is diesel.
- Say which went in — petrol or AdBlue — since AdBlue is a separate job, with a page of its own for Box.
- The amount: your receipt's litres, or otherwise how long you had the nozzle in.
- The mileage it covered, and how heavily, if it ran at all.
- Whose motor it is. Some hire or company contracts want the owner to approve this work, and that is quicker settled before we get there than after.
Ring 0333 366 0103 next. Email works as well if it can wait, with the car parked at home, going nowhere.
Box fuel drain on its way? Whilst you wait
Hold to these: well-meant help causes the damage during the wait.
- Safety before the car. If it has stopped somewhere exposed, get yourself away from the traffic and wait away from it. If it's safe where it stands, wait with it.
- A helpful passer-by does not crank it. Nor does anybody checking it still does the trick, or moving it a few yards.
- Something from the boot, oil meant for two-strokes or injector cleaner: no additive removes the petrol.
- Siphoning petrol into a can at the roadside is dangerous — and it also leaves whatever fuel has already gone beyond that tank. Do not drain the car yourself.
- Not for the radio, not for the windows: your ignition remains off.
Van arrived? The fuel drain, one stage at a time
- First, three questions: which fuel went in, the amount, and has it run? Those answers decide the job, so our price follows them.
- Out of the tank comes the contaminated blend: your tank is emptied.
- Petrol that has moved beyond the tank sits in the fuel lines once it ran, and the lines are rinsed to shift it.
- Cleared, or changed if the car has a workable one: the filter is sorted next.
- The fuel system is primed with clean diesel.
- We fire it up only after new diesel has gone in and primed your system, then check that it is running smoothly.
Only once it's running on fresh diesel do our engineers leave. It is very unusual for a car noticed quickly to be left with long-term damage, and normal driving resumes straight away.
Back on the road around Box after the fuel drain
- Started on new diesel, it asks nothing unusual of you. Just drive normally.
- Watch the first miles. A warning light, smoke, a lumpy idle or a flat spot under your throttle means pull over then ring us back.
- An insurer, a fleet manager or a hire company may ask what was done, and so keep your documents.
- The handle's colour isn't the thing to go by next time — the label on the petrol pump is.
About Box, briefly
Box is a village in Wiltshire, situated on the banks of the Bybrook River at an elevation of around 52 metres. Box lies near the city of Bath, approximately 5 miles to the east, and is surrounded by other small villages such as Washwell and Henley. Box has a population of around 1287 people, predominantly living in semi-detached houses. Box is located in the South West region of England, about 91.7 miles west of London.
Box and nearby: fuel drains across the area
Washwell, Henley and Middlehill are covered by the same vans that answer petrol in diesel call-outs in Box — and so is most of Wiltshire beyond. If you're close to a boundary or somewhere hard to describe, ring and ask rather than assuming.
Petrol in a diesel anywhere in Wiltshire? Off, then ring
Petrol in Diesel takes it from there — on your driveway, at the roadside, at the forecourt — once you've done stage one: keys out, motor off, receipt in your pocket.