07 Cobalt P2431 Code

Discussion in 'General Discussion' started by Dan Coppo, Oct 10, 2018 at 7:36 PM.

  1. Dan Coppo

    Dan Coppo Junior Member

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    07 Cobalt P2431 code already replaced the entire check valve assembly near firewall check engine light came back on, what now ? Thank you for any suggestions.
     

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