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I have a 17 alfa romeo giulia 2.0. I have a maxflow silicon intake elbow, the jb4 on map1 (in az with 91 octane) and just got a custom catback exhaust. On the second day of driving with the new exhaust and only about the 4th time driving with the intake and jb4 i got an engine code of 1ECA with no description on my jb4 mobile app or my obdII reader.