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The 2005 Kia Sorento has a V6 engine.
The 2005 Kia Sedona has a V6 engine.
The 2005 Kia Sorento has a 3.5 L base engine size.
The 2005 Kia Optima has a 2.4 L base engine size.
The 2005 Kia Sportage has a 2.0 L base engine size.
The 2005 Kia Sedona has a 3.5 L base engine size.
The 2005 Kia Rio has a 1.6 L base engine size.
The 2005 Kia Optima has an inline 4 engine.
The 2005 Kia Rio has an inline 4 engine.
The 2005 Kia Sportage has an inline 4 engine.
In the exhaust pipe under car about in line with firewall. You will see a wire coming down from firewall into a plug in exhaust.
All O2 sensors are located somewhere on your exhaust pipe.