Mechanics

THROWING CODE PO420

2004 Kia Spectra

Computer problem
2004 Kia Spectra 4 cyl Front Wheel Drive Automatic 98000 miles

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
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Willie11
February 25, 2009.




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.

Racefan966
Feb 25, 2009.


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