Hyundai Santa Fe P Codes (Powertrain) P0400 - P0499 P0421

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2003 Hyundai Santa Fe OBD11 Code P0421

2003 HYUNDAI SANTA FE

Obd Code Po421 Changed The Catalytic Converter Recently. Engine Would Hardly Go Over 15 Mph. Repaired Broken Valve #2 Cylinder. New...

1 ANSWER

Asked by Dale Blackwell

2001 HYUNDAI SANTA FE

I've Been Having Trouble With Code P0421... I Had The Catalytic Converter Replaced And It Went Away. Two Days Later The Check Engine Light...

5 ANSWERS

Asked by jorge10928

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