All OBDII vehicles with the exception of large trucks have at least 2 oxygen sensors. They would be located 1 before and 1 after the catalytic converter. Some vehicles have a cat for each cylinder bank and have 4 sensors.
Assuming it is a 4 cylinder it has two. One on the exhaust manifold likely between the front of the engine and the radiator, and one just after the catalytic converter underneath the car.
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