P1337 on DS3

[zimauto]

The fault code comes on sometimes when u start it n sometimes when u turn off the car n on again its not firing well of which I exchanged the coils and the injectors and the spark plugs are well can it be the ecu malfunction or its a mechanical fault?
Of which this car sometimes is showing p13BAengine ecu code

[mickthemaverick]

Have a read through this thread and see if it sheds any light on your trouble:

viewtopic.php?p=750610#p750610