SPN: 3390 FMI: 20

Make: InternationalEngine: MaxxForce DT (2010 & Newer)PID: N/ASPN: 3390FMI: 20 Description: Cyl 4 Balance maximum limit exceededTroubleshooting:The ECM uses a Cylinder Balance control strategy to even the power contribution of thecylinders, particularly at low...