mtfraker Posted October 5, 2004 Share Posted October 5, 2004 Does anyone know of a mechanic in the Chattanooga, TN area who knows what they are doing with Subaru's? I'm still having CEL problems with the same P0420 code. After replacing the fuel filter, knock sensor, and both O2 sensors, it's still coming on and knocking. I'm ready to take it to a mechanic, but need one I can trust. Any information will prove quite helpful. Thanks. Quote Link to comment Share on other sites More sharing options...
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