--- title: What Now? Petrol in a Diesel Car West Coker canonical: https://www.petrolinadieselcar.co.uk/petrol-in-diesel/west-coker-somerset/ location: West Coker county: Somerset latitude: 50.919220 longitude: -2.686920 service: Petrol in a Diesel Car updated: 2026-10-18 --- # Petrol in a Diesel Car in West Coker: What Happens Now Stop. Engine off. Keep the car that way — no moment on, no moving it at all. Emptied then flushed, right where it is: that is usually all an unrun diesel with petrol in it needs. Whether it remains that simple depends on the minutes to come more than on everything else. Wherever you are around West Coker, this is how things run from now. ## Petrol in a diesel? What to do in minute one Before anything else, the following — in this order. - Ignition off, keys out. Turned on, the ignition can prime the system — and priming is what draws petrol out of the tank towards the parts it harms. - No diesel on top. More fuel in removes none of that petrol — it just makes you with extra of the same mixture. - Hazard lights on. If you're anywhere near moving traffic, make your car easy to see before you do anything else. - By hand, never under the motor: that is how it leaves the pump. Ask the forecourt staff to help you roll, however short the miles. - The first thing you will be asked is which fuel you put in and roughly how much — and the receipt says both. Keep it. Still on the move when you realised? Come off the M5 at the next junction if that is where you are, under 25 miles from West Coker, and pull over somewhere safe and not pressing on to the services. Then start at step one. ## West Coker fuel drain: has your motor run yet, or not? From this point on, everything comes down to a single answer. If the engine has not run at all: - Nowhere but your tank: that's where the petrol yet is. - The work is a simple drain and a flush, usually done where the car is. - No place is better, and it's why the first step matters so much. Engine run, even for a moment? - Some petrol has left your tank by now, gone through the fuel filter, and got into the lines. - On a longer run it has got to the high-pressure fuel pump as well as the injectors. - Flushing your lines, your filter seen to, and sometimes more: this job expands as the mileage does. Why the line falls there: diesel protects the high-pressure pump and the injectors as it flows through them, and petrol doesn't. In that tank, left alone, petrol harms nothing. Pump the petrol, though, and it grinds down the very parts that move it. ## Before you call about petrol in a diesel in West Coker: what our engineers need Get ready a little, and the technician finds you instead of circling. - Your whereabouts: a postcode starting BA22 9 works best. - Give the street — East Street or wherever you have stopped — or the car park. - Car parks are found most easily by what they serve: tell us the one at Asda, and it is simple. - Tell us what the car is — make, model — and check it is diesel. - Petrol or AdBlue? Say which. They are separate jobs, and AdBlue has its own West Coker page. - About how much — in litres from your receipt, or by how long the nozzle was in. - The mileage it covered, and how hard, if it has run at all. - Sort who has the car ahead of when our technicians arrive: some hire or company agreements want the owner to authorise this work, and that is quicker first. Phone 0333 366 0103 next. Writing to is fine too if it can wait, with the vehicle parked at home, going nowhere. ## While you wait for a fuel drain in West Coker Help, however well meant, is what does the harm whilst you wait. So stick to these. - Where your car has stopped settles where you wait. Exposed: away from it, away from the traffic. Safe: with it. Either way, safety ahead of the car. - Nobody — however kind — starts it, whether to see if it runs or to shift the vehicle a short way. - None of that gets that petrol back out — not two-stroke oil, not injector cleaner, not anything from your boot. So no additives. - No home-made draining. Siphoning petrol into a can at the roadside is dangerous, and it leaves your fuel that has already gone beyond that tank. - Leave the ignition off — the windows and the radio included. ## The fuel drain, step by step, after our van arrives - First, three questions: which fuel got in, the amount, and has it run? Those answers set this job, and so the quote follows them. - The tank is emptied. The polluted mixture comes out of your tank. - Your lines are rinsed. If it ran, that petrol has shifted beyond that tank, and the lines are carrying it. - The filter is sorted. Cleared, or changed where the car has a usable one. - Fresh diesel in, and the fuel system primed. - The start. With new diesel in and the fuel system primed, it's fired up and tested to make sure it runs smoothly. Until it runs on fresh diesel, our engineers stay with it. It is very unusual for a vehicle noticed early to be left with lasting damage, and normal driving starts again straight away. ## West Coker, after your fuel drain: back on the road - Drive normally. There is nothing unusual to do once it has been started on clean fuel. - The first miles are the test. A warning lamp, exhaust smoke, a rough idle or a hesitant throttle is your cue to stop then call us a second time. - An insurer, a fleet manager or a hire firm may ask what was done, so keep the documents. - Read the label on the petrol pump next time, not the colour of the handle. ## About West Coker and where it is West Coker is a small village in Somerset, situated near several lakes and surrounded by rural countryside. West Coker sits at an elevation of 74 metres, with a mix of detached homes and other housing types, and is located near the villages of Holywell and Hardington Moor. West Coker remains a quiet and predominantly residential community, with Wells being the nearest city, approximately 20 miles away. ## Fuel drains around West Coker and beyond Petrol in diesel jobs around West Coker and in Holywell, Hardington Moor or Lyatts all go to the same vans, which cover most of Somerset as well. If you're close to a border or somewhere hard to describe, ring and ask and not guessing. ## Leave it off and ring: petrol in a diesel across Somerset Motor off. Keys out. Receipt in your pocket. That's the whole of step one, and Petrol in Diesel takes it from there — at the roadside, at the forecourt or on your driveway.