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P2422 Diagnostic Trouble Code Discussion for June 2015

EVAP Canister Vent Shut Valve Close Malfunction


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Trouble Ticket Help Requests for DTC P2422
Help Request Posted
2009 Mercedes-Benz E350 3.5L MIL Lamp on VIN: WDBUF56X19
P2422: Charcoal canister vent valve stuck. Does anyone have any good testing information on this system, I find it hard to believe that I should be seeing 3 volts at the return wire of the FTPS with no pressure on the tank? Where should it actually be? Customer does not have any issues filling up the...
June 19, 2015