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P0455 Diagnostic Trouble Code Discussion for March 2015

EVAP System Large Leak

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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
2006 Toyota Highlander Limited 3.3L MIL Lamp on VIN: JTEEP24A06
P0455: EVAP System Gross Leak Detected. Vehicle came in with three codes. Can operate purge vsv and it is working. Operate close vent valve at canistor and it is getting signal and feel faintly it working and can here with stethiscope it is working but not convinced its working properly.This evap sy...
March 16, 2015
2004 Hyundai Santa Fe GLS 2.7L Hesitation, Surge VIN: KM8SC13D64
P0455: EVAP System Large Leak Detected. Vehicle did idle high once. After shut it off reset. Cleared codes, Drove 20 miles light back on. Hiccuped once. It is running fine right now. I replaced the IAC ... for idle issues. Wondering if anyone has ran into this problem.
March 19, 2015