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)(h4do) / 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
Repair or replace any faulty hoses, pipes, and clamps found in the inspection below.• Check for CVTF leaks in joints at the transmission, radiator, CVTF cooler (air cool), pipes, and hoses.• Check the clamp for deformation.• Lightly bend the hose and check for cracks in the surface ...