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The 2013 Chevy Equinox is equipped with a pair of oxygen sensors. One is positioned on the exhaust after the header but before the catalytic converter, while the other is situated after the catalytic converter. These sensors are essential for monitoring the air-to-fuel ratio in the exhaust gases and ensuring that the catalytic converter effectively removes pollutants before they are emitted into the air. If one of the oxygen sensors malfunctions, it will typically trigger the check engine light, and you may experience rough running or stalling while driving, which can pose a safety risk.
In the 2013 Chevy Equinox, there are two oxygen sensors – one located in front of the catalytic converter and another positioned behind it.