2004 Kia Spectra throwing code po420

2004 KIA SPECTRA
98,000 MILES • 4 CYL • FWD • AUTOMATIC
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WILLIE11
  • MEMBER
  • 1 POST
trying to inspect but had 2 codes po128 and po420 I followed the manual and replaced thermostat and engine coolant sensor. I drove car for 4 days and started getting code po420 low emmissions don't know what to check at this point got and suggestions
Feb 25, 2009 at 10:26 AM
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RACEFAN966
  • ✓ASE Certified Mechanic
  • 5,029 POSTS
  • ASE Certified Mechanic
If that is the only code present then your catalytic converter needs to be replaced. If there is any other codes present with that code then get them to me.
Feb 25, 2009 at 11:07 AM
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