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Reduced engine power in a 2003 Chevy Tahoe can be caused by several factors, including a malfunctioning throttle position sensor, issues with the Mass Airflow Sensor (MAF), or problems within the engine's control module. Additionally, a clogged fuel filter, faulty spark plugs, or issues with the vehicle's wiring and connections can contribute to this condition. When the engine control system detects these issues, it often triggers a warning to limit engine performance to prevent damage. It's advisable to conduct a diagnostic check to identify the specific cause.

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2mo ago

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