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Hyundai
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1999
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Sonata GL L4-2.4L
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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P Code Charts
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P0430
P0430
DTC P0430 / CATALYST SYSTEM EFFICIENCY BELOW THRESHOLD (BANK 2)
Hyundai does not provide a trouble code diagnostic procedure.
Refer to the component, Catalytic converter.
Catalytic Converter
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Catalytic converter melting/broken