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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 619 (Engine Control System (DTC/Circuit Diagnosis) (12 Of 17)) >> DTC/Circuit Diagnosis >> DTC P1423: Cold Start Control >> DTC Description >> Notes

DTC Description: Notes

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

ECM controls fuel injection timing and fuel injection quantity when engine is started with the engine cold.

This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions.