--- title: What Now? Petrol in a Diesel Car The Butts canonical: https://www.petrolinadieselcar.co.uk/petrol-in-diesel/the-butts-somerset/ location: The Butts county: Somerset latitude: 51.224480 longitude: -2.331700 service: Petrol in a Diesel Car updated: 2026-10-06 --- # Petrol in a Diesel Car in The Butts: What Happens Now Pause, and leave the motor off — not on, and not for a second to move it. Emptied then flushed, right where it sits: that's usually all an unrun diesel with petrol in it takes. Whether it stays that straightforward depends on the minutes ahead more than on anything else. From now on, in order, for anywhere around The Butts: ## Minute one: petrol in a diesel, motor off Do these before anything else, in this sequence. - Pull the keys out. Even the ignition by itself can prime your fuel system, pulling petrol out of the tank to precisely the parts it harms, and so leave it off completely. - Topping up with diesel seems like it dilutes the issue. It does not: nothing gets out, and that tank simply carries more of the same. - Hazard lights on. If you're at all close to moving traffic, make your car simple to see before you do anything else. - By hand, not under the engine: that is how it leaves the pump. Ask the forecourt staff to help you roll, whatever the distance. - Hold on to the receipt: the fuel and the rough amount are printed on it, and they are what our engineers ask about first. If you were still driving when you noticed, stop somewhere safe instead of pushing on for the services — on the M4, under 25 miles from The Butts, that means the next exit. Step one comes next. ## Each The Butts fuel drain starts here: has the motor run? From this stage on, everything hinges on a single answer. Not run, not even once: - The petrol sits in the tank, and only there. - Usually it is drained and rinsed just where the vehicle is. - Stage one counts for exactly this reason: it is the best position to be in. If the motor has been run, even briefly: - Some petrol has left your tank already, gone through the fuel filter, and reached the lines. - On a longer run it has reached the high-pressure pump as well as the injectors. - The further it went, the bigger the job — your lines, the filter, and sometimes more besides. Petrol does not lubricate. Diesel does, protecting your high-pressure pump and injectors as it passes through, which is why the line sits where it does. In that tank, left alone, petrol does no harm. Pump that petrol, though, and it wears the very parts doing the moving. ## Before you call about petrol in a diesel in The Butts: what our technicians need A little preparation is the difference between a van that finds you and a van that circles. - Your location: a postcode starting BA11 4 works best. - Name the street — Marston Lane or wherever you have stopped — or the car park. - What a car park serves is the quickest way to find it, and so say the landmark — such as the one at Sainsbury's. - Tell us what your car is — make, model — and check it is diesel. - Say which was put in — petrol or AdBlue — since AdBlue is a separate job, with a page of its own for The Butts. - How long the nozzle was in, or the litres from the receipt — whichever tells us how much. - If it has run, how far plus how hard — and whether it has run at all. - The owner may have to approve this work under some hire and company agreements — so it is faster to settle whose vehicle it is before our engineers arrive. Next, 0333 366 0103. Not time-critical, the vehicle parked at home with nowhere to be? Then works too. ## The Butts fuel drain on its way? Whilst you wait In the wait, the damage comes from well-intended help — which is why these matter. - Wait with the car if it is safe where it is — but if it has stopped somewhere dangerous, you come first: away from the traffic, waiting apart from it. - Not to roll it a few yards, not to check it is all right, not as a passer-by's kindness: nobody starts it. - Additives remain in the boot. Injector cleaner and two-stroke oil take none of that petrol out again. - Siphoning petrol into a can at the kerbside is hazardous — and it also leaves whatever fuel has already gone beyond the tank. Do not drain the vehicle yourself. - Not for the radio, not for the windows: the ignition stays off. ## When the van arrives: the fuel drain, step by step - The quote comes after three queries, not before them — what got in, how much, and if it has run — because the replies decide the job. - Next the tank is drained, and the contaminated fuel comes out. - Flushing the lines follows, because a motor that ran has petrol past the tank, in the fuel lines themselves. - Your filter is seen to. Cleared, or changed where the vehicle has a workable one. - Fresh diesel in, and your system primed. - Our technicians fire it up only after fresh diesel has gone in and primed the fuel system, then confirm that it's running correctly. Till it runs on fresh diesel, we stay with it. If it has been caught early, long-term damage is very unusual, and the vehicle goes back to normal use at once. ## The Butts, after the fuel drain: back on the road - After it has been started on clean fuel, there is nothing unusual to do: drive normally. - Watch the first miles. A warning light, smoke, a rough idle or a flat spot under your throttle means pull over and ring us back. - The work may matter later with a hire firm, an insurer or a fleet manager. Keep your documents. - The handle's colour is not the guide to go by next time — the label on the petrol pump is. ## About The Butts, for a moment The Butts is a suburban area in Somerset, situated inland at an elevation of 112 metres, approximately 11 miles from the city of Bath. The Butts is characterized by its semi-detached housing stock, which is typical of many suburban areas in the South West region. The Butts is close to nearby places such as Critchill, Keyford, and Marston Gate, and is about 97 miles west of London. The Butts has a population of around 5462 residents. ## Fuel drains around The Butts and the spots nearby The same vans that answer petrol in diesel calls around The Butts cover Critchill, Keyford and Marston Gate, and most of Somerset beyond them. Ring and ask rather than assuming if you're somewhere hard to describe or close to a boundary. ## Petrol in a diesel anywhere around Somerset? Off, then ring Engine off. Keys out. Receipt in your pocket. That's the whole of stage one, and Petrol in Diesel carries on from there — by the roadside, at the forecourt or on your driveway.