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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (2 Of 6) >> Engine (ECM) >> P0175 Fuel Injection System Function >> DTC Description >> VR30DDTT engine >> Fail-Safe
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VR30DDTT engine: Fail-Safe

Fail safe mode

Vehicle behavior

Traveling control mode

ECM controls the accelerator pedal depression speed to make it slower than actual speed. This causes a drop in accelerating performance and encourages the driver to repair malfunction.

NOTE: ECM does not control the accelerator pedal releasing speed.

Combustion control mode

Stops feedback control of idle speed and controls with specified speed.

Stops recovery speed control by the fuel cut at decelerating and controls with specified speed.
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