by "hyundaitech" <notpublic@[EMAIL PROTECTED]
>
Jun 12, 2008 at 11:28 AM
P0422 indicates a problem with catalyst inefficiency. You probably need a
new catalytic converter. This code will eventually return.
P1123 indicates a rich condition. Considering this occurred immediately
after replacing the oxygen sensor, I'd suspect the oxygen sensor you
installed is defective or isn't compatible with the vehicle. I'd
recommend using a factory oxygen sensor.
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