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P0455 Diagnostic Trouble Code Discussion for February 2011

EVAP System Large Leak

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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
2011 Kia SOUL 2.0L MIL Lamp on VIN: KNDJT2A20B
P0455: EVAP large leak. This 2011 Kia Soul has P0455 code (Evap large leak). I took out the canister close valve and leak tested, and then the canister close valve works and sealed. When I blew my breath into the canister, air came back out, that means Evap system sealed. This Soul r...
February 12, 2011
2006 GMC Yukon XL 1500 Denali 6.0L No Start, Cuts out VIN: 1GKFK66U56
P0455: EVAP System Large Leak Detected. ... While driving, the truck shut off and cust stuck in left lane of hi way.Towed into shop.Once in the shop, it ran for 15 mins perfectly, and abruptly shut off.Testing and checking only saw Fuel pressure seemed low @52psi. We replaced fuel pump anyway, after...
February 14, 2011