Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc p0456 evap system (cpc) leak detected (very small leak)

Subaru Legacy BN/BS (2015-2019) Service Manual / Engine (diagnostics)(h6do) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc p0456 evap system (cpc) leak detected (very small leak)

NOTE:

For the diagnostic procedure, refer to DTC P0455. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0455 EVAP SYSTEM (CPC) LEAK DETECTED (LARGE LEAK)

1. OUTLINE OF DIAGNOSIS

NOTE:

For the detection standard, refer to DTC P0455. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0455 EVAP SYSTEM (CPC) LEAK DETECTED (LARGE LEAK)

Dtc p0458 evap system (cpc) purge control valve "a" circuit low

DTC DETECTING CONDITION:Detected when two consecutive driving cycles with fault occur.TROUBLE SYMPTOM:Improper idlingCAUTION:After servicing or replacing faulty parts, perform Clear Memory Mode Clear ...

Dtc p0455 evap system (cpc) leak detected (large leak)

DTC DETECTING CONDITION:Detected when two consecutive driving cycles with fault occur.TROUBLE SYMPTOM:• Fuel odor• There is a hole of more than 1.0 mm (0.04 in) dia. in evaporation system ...

Other materials:

Inspection
SymptomsInspection stepsWater leakage(1) Check the roof panel and the lid assembly - sunroof for improper or poor sealing.(2) Check the drain tube - sunroof for clogging.(3) Check the joints of the rail assembly - sunroof for improper sealing and for proper installation to the body.Booming noise, wi ...