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To clear the ECU memory bank on a 2003 Toyota MR2 Spyder, you can disconnect the negative battery terminal and leave it off for about 10-15 minutes. This will reset the ECU and clear any stored trouble codes. After reconnecting the battery, you may need to drive the car for a short distance to allow the ECU to relearn the optimal settings. Always make sure to take precautions when working with the vehicle's electrical system.

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2mo ago

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