Mechanics

OXYGEN SENSOR

2003 Kia Spectra

2003 Kia Spectra 4 cyl Two Wheel Drive Automatic 96500 miles

When check engine light was on the OBD 2 scanner displayed P0420, P0171, P0130. The upstream O2 sensor has replaced at service center. Next day the check engine light was on again. The OBD 2 scanner displayed P0137, P0133. What could it be?
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Yuriy4677
November 28, 2009.



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