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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 367 (2004 - Engine Control System - Coupe) >> DTC P0451: EVAP Control System Pressure Sensor >> Diagnostic Procedure >> 1. Check Ground Connections

1. Check Ground Connections

WARNING: This page is about a different car, the 2004 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch OFF.
  2. Loosen and retighten two ground screws on the body. See Figure. Refer to "Ground Inspection ".

OK or NG 

OK: GO TO 2

NG: Repair or replace ground connections.

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