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Home >> Nissan-Datsun >> 2004 >> Maxima SL, RE4F04B >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC >> DTC P0456: EVAP Control System >> Diagnostic Procedure >> 21. Check EVAP/ORVR Line
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21. Check EVAP/ORVR Line

Check EVAP/ORVR line between EVAP canister and fuel tank for clogging, kink, looseness and improper connection. For location, refer to "ON BOARD REFUELING VAPOR RECOVERY (ORVR) ".

OK or NG 

  1. OK: GO TO 22.
  2. NG: Repair or replace hoses and tubes.