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Infiniti
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2014
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Q50 Base, AWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - DTCS P0171 To P0463 (Except Hybrid)
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DTC P0453: EVAP Control System Pressure Sensor
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DTC Description
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DTC Detection Logic
DTC Detection Logic
DTC DETECTION CONDITION
DTC No.
CONSULT screen terms (Trouble diagnosis content)
DTC detecting condition
P0453
EVAP SYS PRES SEN (Evaporative emission system pressure sensor/switch high)
An excessively high voltage from the sensor is sent to ECM.