The term MOST-Likely used to describe an event that occurs when the engine reaches operating temperature and the computer starts acting on information received from the O₂ sensor is:

Question

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Closed loop fuel control is a term used to describe the process by which the engine control module (ECM) uses input from various sensors, including the oxygen sensor (O₂ sensor), to adjust the air/fuel ratio in real-time to maintain optimal engine performance. This process begins once the engine reaches operating temperature, indicating that the various engine components have reached their intended levels of performance.

The Term MOST-Likely Used to Describe an Event That Occurs