first thing is examine the vehicles wiring harness for the o2 sensor for damage and if that is good replace the o2 sensor, reset light and wait to see if it returns.
if it dont your good to go.
if it returns post back and i can help you find out whats wrong.
Jul 13, 2008 at 11:36 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.