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The oxygen sensor on a 2000 GMC Sonoma is typically located in the exhaust system, either before or after the catalytic converter. In this specific model, there are usually two oxygen sensors - one upstream (before the catalytic converter) and one downstream (after the catalytic converter). The upstream sensor monitors the air-fuel mixture entering the exhaust system, while the downstream sensor checks the efficiency of the catalytic converter. To locate the oxygen sensors, you may need to look underneath the vehicle near the exhaust pipes.

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ProfBot

8mo ago

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