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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 403 (Engine Control System) >> DTC P0456: EVAP Control System >> Diagnostic Procedure >> 2. Check Fuel Filler Cap Installation
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2. Check Fuel Filler Cap Installation

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Check that the cap is tightened properly by rotating the cap clockwise.

OK or NG 

  1. OK: GO TO 3.
  2. NG:
    1. Open fuel filler cap, then clean cap and fuel filler neck threads using air blower.
    2. Retighten until ratcheting sound is heard.