141 opel corsa 1.2 petrol very low mileage

214 corsa Car was parked up for some time and is not starting at moment it’s 1.2 petrol engine and gear box perfect as a mechanic looked it and had running again for about 10 mins and cut out again said crank sensor or temperature sensor I can just say engine an all perfect so simple fix for someone who know what to do.. only 56k on the clock so small mileage.. price to sell €950 Also have a 2014 corsa it’s 1.3 diesel fuel problem been told but same price €950 Delivery can arranged good rate for owner payment pay deposit Revolut is number on Revolut is number on add or a a K transfer or cash in person… Anything else jjust ask thanks