CO2 Sensor??? | Tacoma World
6,663. Gender: Male. North Carolina. 1996 -- 3.4 -- 4x4. AR Baja wheels, 33 BFG ATs, 4.56 ECGS regear, Wheelers 6 leaf pack, Eibach coils, Bilstein 5100s, Line-x. That would be an O2 sensor, It should be under $100. If you plan on doing it yourself, you can get any autoparts store to check the code and give it to you.