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?
Saturday, November 28th, 2009 AT 7:42 PM