2791:13 - EGR Valve Controller - Out of CalibrationRelated models
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The EGR valve has failed the automatic calibration procedure at the initial key ON. At key ON the engine control module will cycle the EGR valve closed as a system check. If it does not close the fault will be activated. Note: The EGR Valve and EGR Differential Pressure Sensor location varies depending on the engine model. Symptoms2791:13 EGR VALVE CONTROLLER - OUT OF CALIBRATION Possible CausesMalfunctioning EGR Valve Assembly
Troubleshooting Steps When this fault code is active, it is going to be a mechanical malfunction of the EGR valve. The valve can get a build up of carbon preventing the valve from closing fully. The EGR valve can be cleaned by qualified mechanics by removing it and cleaning the valve spool with a nylon brush and carburetor cleaner. If the mechanic is not qualified they will need to contact their local Cummins dealer to provide the proper service of the EGR Valve. - Cummins Analyzer Kit
- Standard Mechanical Tools
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