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The oxygen sensors in a 2007 Chevrolet Aveo can be found both before and after the catalytic converter, near the intake manifold. If you notice higher fuel consumption or see excessive smoke from your exhaust, it could be signs of a faulty oxygen sensor. This sensor measures the levels of oxygen in the engine's exhaust gases and should typically be replaced between 60,000 to 90,000 miles. It is a component that wears out over time. Shaped like a spark plug, the sensor extends into the exhaust stream of the engine to determine oxygen levels, allowing the engine to adjust fuel usage for optimal efficiency.
The oxygen sensors in the 2007 Chevrolet Aveo can be found both before and after the catalytic converter, near the intake manifold.