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code P0420 - Catalyst system efficiency below threshold S40-V40 2000

posted by  FordOBD2 on  Tue Mar 22 03:15 CST 2005
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P.S.

It is very importantt that you find out WHAT killed your catalyst, and fix that root cause--or you will keep eating cats.

If you use a dealership or mechanic, they will look at air/fuel ratio, oil consumption, head gasket, etc.






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New code P0420 - Catalyst system efficiency below threshold [S40-V40][2000]
posted by  bryan v40  on Mon Mar 21 08:58 CST 2005 >


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