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P0455 Diagnostic Trouble Code Discussion for December 2017

EVAP System Large Leak


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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
2011 Kia Optima LX 2.4L MIL Lamp on VIN: KNAGM4A71B
P0455: Evap gross leak/no flow. ... GDI vehicle came in a few weeks back with DTC P0455 (gross Leak/no flow). System leakage went to zero with CCV (can clsd valve) blocked-off, so I flat rated it with OE part since it clicked when energized at scan tool... told cust there were other thin...
December 13, 2017