CAT 3126E Fault Code: 190-11 PID: Flash Code 34 SPN: FMI: No Pattern on Engine Speed/Timing Sensor #1 Posted by Diezel Solutions on April 2, 2025 The ECM has been replaced and the Engine/Speed Timing Sensors have not been calibrated. Share Share on Facebook Tweet Tweet on Twitter Pin it Pin on Pinterest 0 comments Leave a comment Name Email Message Please note, comments must be approved before they are published