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P0455 Diagnostic Trouble Code Discussion for February 2007

EVAP System Large Leak

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Trouble Ticket Help Requests for DTC P0455
Help Request Posted
1998 Volvo S90 2.9L MIL Lamp on VIN: YV1K8960SW
P0455: evap system fault large leak. Greetings, need some help on this Volvo. I am trying to figure out the basic operation of this evap shut off valve. Performed a leak check and it appears that this valve is not being closed by the computer. If I manually ground the valve, it closes and the sys...
February 02, 2007
2001 BMW 325i 2.5L MIL Lamp on VIN: WBAAV33441
P0455: large evap leak. Vehicle came in with MIL lamp on. Code P0455 (large evap leak) I checked the gas cap (ok) I have performed a visual inspection but have not gotten to deeply into this vehicle yet. I was hoping some of the BMW guy's may have a common fix.
February 14, 2007