This instruction show you guide on how to diagnose rough running or stalling for Detroit Diesel Gen5 DD platform engine.
Preparations:
2023 Detroit Diesel Diagnostic Link DDDL 8.17 8.09 Free Download
Procedures:
1.Connect DiagnosticLink .
2.Turn ignition ON (key ON, engine OFF).
3.Are any of the following fault codes present?
SPN 1077/FMI 7 Rail Pressure Deviation
SPN 157/FMI 16 Rail Pressure Deviation
SPN 3250/FMI 0 DOC Outlet Temperature Very High
SPN 3246/FMI 0 DFP Outlet Temperature Very High
3a Yes; perform the troubleshooting for the fault code.
3b No; Go to step 4.
4.Using DiagnosticLink, Key ON, Engine OFF (KOEO), monitor the EGR delta P voltage with the coolant temperature above 65
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