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Home >> Mercedes Benz >> 1997 >> E300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Notes

Self-Diagnostic System: Notes

The Inline Fuel Injection (IFI) control module is equipped with a self-diagnostic capability for trouble shooting. Diagnostic Trouble Code (DTC) memory remains active if ignition is turned off or battery is disconnected. The CHECK ENGINE Malfunction Indicator Light (MIL) will illuminate to indicate severe faults.