I ambout to put a new O2 sensor in my 4kq. The part costs about $130 from my parts vendor. I did a little research and found that generic sensors cost about 1/3. Has anyone used a generic sensor before? Need throttle position switches too. Anyone have any or know of a source other than a dealer? Brett 85 4kQ Best|Regards Brett|M.|Clapham San|Diego|State|University Methods|of|Geographical|Analysis