Car runs fine for about an hour then just dies like jitters and splutters then wont start again until u leave it for few hours and eml is intermittent codes that are showing are coming up to fuel related problems so changed all the pumps in the car changed the fuel rail sensor changed the moduel for the fuel pump changed fuel line and still the same now the garage is sayin it can only be the ECU because of the map so if I get it remapped do u think it will work answers much appreciated..