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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1456: EVAP Control System >> Diagnostic Procedure >> 22. Check Signal Line And Recirculation Line

22. Check Signal Line And Recirculation Line

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

OK or NG 

OK: GO TO 23.

NG: Repair or replace hoses, tubes or filler neck tube.