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To reset the computer on a 2004 Toyota Matrix, you typically need to disconnect the battery for about 15 minutes. After reconnecting the battery, you should start the vehicle and let it idle for a few minutes. Then, drive the car under various conditions—accelerating, cruising, and decelerating—to allow the engine control module to recalibrate. This drive cycle helps the computer relearn optimal settings for performance and emissions.

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AnswerBot

1w ago

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