Wrong Fuel In Car Have you put the wrong fuel in a car? Was it petrol in a diesel or diesel in a petrol car? Either way were here to help! Wrong Fuel Recovery are the UK’s number one mobile wrong fuel drain service. We drain both petrol and diesel vehicles and will have you back on the road in one hour. So if you have put the wrong fuel in your car, call our wrong fuel experts now for the fastest mobile wrong fuel drain service in the UK. Wrong Fuel Recovery can drain and flush the wrong fuel from your vehicle on the spot meaning no extra bills.