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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1430 (Engine Control System) >> DTC P0451: EVAP Control System Pressure Sensor >> Component Description
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Component Description

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.

The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases.

Fig 1: EVAP Control System Pressure Sensor Components
G02401662Courtesy of NISSAN MOTOR CO., U.S.A.
Fig 2: Output Voltage & Pressure kPa Graph
G02401663Courtesy of NISSAN MOTOR CO., U.S.A.