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Home >> Infiniti >> 2018 >> QX30 Premium, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Introduction) >> System Description >> System >> Rpm Control >> System Description >> Maximum Speed Limiting Function
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Maximum Speed Limiting Function

When vehicle speed reaches 250 km/h (155 MPH), ECM immediately decreases the throttle valve angle and fuel injection time to reduce engine torque. Vehicle speed is limited through this method.