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Home >> Mercury >> 1993 >> Villager LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 323 (Powertrain Diagnostic Procedures) >> System Description And Functional Operation >> Functional Operation >> ECM Operating Modes >> After-Run Mode
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After-Run Mode

WARNING: This page is about a different car, the 2004 Dodge Sprinter. However, it is still accessible from the selected car via links, so may be relevant.

The ECM transfers RAM information to ROM and performs an Input/Output state check.