SPN 2791/FMI 4 This diagnosis is typically short to ground. Check as follows: Disconnect EGR valve connector. Disconnect 120–pin MCM connector. Measure the resistance between…
SPN 2791/FMI 3 Check as follows: Disconnect the EGR valve connector. Turn the ignition ON (key On, engine OFF). Measure the voltage between pin 1…
SPN 2791/FMI 8 The fault description is the EGR Actuator (Failsafe Mode, Motor On). Check as follows: Using DDDL 7.X, check SPN 2791/FMI 8 Extended…
SPN 2791/FMI 7 The fault description is the EGR Actuator (Failsafe Mode, Motor On). Check as follows: Using DDDL 7.X, check SPN 2791/FMI 7 Extended…
SPN 2791/FMI 11 The fault description is the EGR Actuator (Failsafe Mode, Motor On). Check as follows: Using DDDL 7.X, check SPN 2791/FMI 11 Extended…
SPN 2791/FMI 9 The fault description is the EGR Actuator (Failsafe Mode, Motor On). Check as follows: Using DDDL 7.X, check SPN 2791/FMI 9 Extended…
SPN 2791/FMI 14 The fault description is the EGR Actuator (Failsafe Mode, Motor On). Check as follows: Using DDDL 7.X, check SPN 2791/FMI 14 Extended…
SPN 2791/FMI 15 This fault typically results from high load operation in high ambients. No action is necessary (this is a “silent” fault, the fan…
SPN 2791/FMI 31 The fault description is the EGR Actuator (Failsafe Mode, Motor On). Check as follows: Using DDDL 7.X, check SPN 2791/FMI 31 Extended…
SPN 2791/FMI 16 This fault typically arises from operating under extreme load and high ambient temperatures and/or high altitude operation. Check as follows: Check for…