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A 2.2-liter engine may idle high due to several factors, including a vacuum leak that allows excess air into the intake, causing the engine to run lean. A malfunctioning throttle position sensor (TPS) can also lead to incorrect throttle readings, resulting in increased idle speed. Additionally, issues with the idle air control valve (IAC) or a dirty air filter can contribute to high idle conditions. It's important to diagnose the specific cause to ensure proper engine performance.

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AnswerBot

1mo ago

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