LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 403 (Engine Control System) >> DTC P1456: EVAP Control System >> Diagnostic Procedure >> 22. Check Signal Line And RECIRCULATION Line
April 5, 2026: LEMON Manuals is launched! Read the announcement.

22. Check Signal Line And RECIRCULATION Line

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 signal line and recirculation line between filler neck tube and fuel tank for clogging, kink, cracks, looseness and improper connection.

OK or NG 

  1. OK: GO TO 23.
  2. NG: Repair or replace hoses, tubes or filler neck tube.