Have you put petrol in a diesel car? visit our petrol in diesel car page for more information on what to do if you have put petrol in a diesel car. Wrong Fuel Recovery provide a 24-hour mobile wrong fuel in car service to motorists who have accidentally put the wrong type of fuel in their car. Over 150,000 motorists put petrol in a diesel car's engine every year across the UK. So if you make the mistake of putting the wrong fuel in your car, call us now on 0800 772 3842. We will have the wrong fuel in your car drained and the car back on the road within one hour of your phone call.