19-11-2013, 10:13 AM
Let me clarify. Your car will run a Stage 2 map with just the standard 306 rail pressure sensor fitted. However, if you do fit the uprated 1.6 HDi rail pressure sensor, then your map file will need to be specifically written or amended to take it into account. You could try installing the uprated pressure sensor without modifying the map file, but I wouldn't recommend it.