Quote:
Originally Posted by Shiwnath
Change your pre-cat O2 sensor if you don't know if it's been changed yet..
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Is this what I'm looking at then for an O2 sensor then? It seems a bit pricy for something so small.
http://www.amazon.com/ACDelco-213-1638-Heated-Oxygen-Sensor/dp/B000C9I49S/ref=au_pf_ss_10?ie=UTF8&Make=Oldsmobile|51&Model=A lero|566&Year=2004|2004&carId=001&n=15684181&s=aut omotive