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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System Diagnosis - 3.3L (8 Of 9)) >> DTC P2178-00: System Too Rich Off Idle Bank 1 >> DTC Information >> DTC Description

DTC Description

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The ECM monitors the fuel trim values at idle during predetermined driving Enable Conditions. If the average of short term fuel trim is below the determined limit over a certain period of time, ECM sets a DTC P217800.

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