Machine still reads PO430; van won't pass inspection
changed cataylst and all 4 oxygen sensors and drove 98mil
Check engine comes on on 2005 Kia Sedona
Have it tested with a real scan tool, and someone that can use it!! It will show what is going on here in live data! Snap-on Modis will do just fine!!
1 more answer
Check for power and ground at all sensor heaters.