Infiniti G20 Nissan Primera Forum banner

egr valve

  1. CEL on, P0136, P0400...

    Maintenance
    So while on my way to finalize a deal in Massachusetts, my check engine light came on. The codes read as P0136 (rear heated oxygen sensor) and P0400 (EGR function). Those descriptions are according to the FSM. The only recent work I've done under the hood was changing the valve cover gasket...
Top