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P0455 Diagnostic Trouble Code Discussion for March 2019

EVAP System Large Leak


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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
2006 Chevrolet Colorado LT 3.5L Cuts out, Stall, MIL Lamp on VIN: 1GCCS13686
P0455: EVAP System Large Leak Detected. This thing has me scratching my head. Driving down the road it goes into reduced power fault, starts running rough, then stalls. On restart there is no fuel pump or starter when you try to restart. let it set for 2 min. It will start and run fine. Until it...
March 12, 2019