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P0422 Diagnostic Trouble Code Discussion for May 2014

Catalyst Efficiency Below Normal (Bank 1)


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Trouble Ticket Help Requests for DTC P0422
Help Request Posted
2007 Subaru Forester X 2.5L evap VIN: JF1SG63627
P0422: evap small leak. Having some trouble finding cause of P0422 on Subaru. Smoke check sytem, no leaks found. Replaced rear solenoid on charcoal can and gas cap. Looking for some direction on where to go next.
May 29, 2014