If you have a p0420 it needs a converter. Bottom line.
If you mean P0420, the code means the catalytic converter is not functioning at spec. The problem may be the converter, or the fuel system, or the cooling system. You may need a mechanic to check it out.
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If you have a p0420 it needs a converter. Bottom line.
If you mean P0420, the code means the catalytic converter is not functioning at spec.
The problem may be the converter, or the fuel system, or the cooling system. You may need a mechanic to check it out.