On a 2006 Hyundai Tiburon, there are typically two oxygen (O2) sensors: one located upstream (pre-catalytic converter) in the exhaust manifold, and the other downstream (post-catalytic converter) on the exhaust pipe. The upstream sensor is generally found closer to the engine, while the downstream sensor is positioned further along the exhaust system. Accessing these sensors may require lifting the vehicle and working underneath for the downstream sensor.
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