no detection 02 sensor bank 1 on 2003 Kia Spectra

i recently replaced my 02 sensor and knock due to failed smog i went back to get a new smog and it still says 02 sensor no detection bank 1 .. i need help on how to fix this i need the car for my kids thanks

by in Pico Rivera, CA on December 07, 2009
1 answer
ANSWER by on December 10, 2009
What kind of O2 sensor did you use? Was it a part from Kia, or was it an after market, "universal" sensor?