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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0442: EVAP Control System >> Diagnostic Procedure >> 22. Check Signal Line And Recirculation Line
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22. Check Signal Line And Recirculation Line

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 hose, tube or filler neck tube.