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Home >> Porsche >> 1992 >> 911 Turbo >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Self-Diagnostic System >> Notes

Self-Diagnostic System: Notes

The DME control unit has the ability to store fault codes related to fuel injection and ignition system. Detected faults remain stored for at least 50 engine starts. If positive battery cable or DME control unit connector is disconnected, the fault code memory and system adaptation will be cleared. For additional information, see the TESTS W/CODES article in this section.