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2006 Chevrolet Impala with engine code P0641, how do you fix it?

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2006 Chevrolet Impala with engine code P0641, how do you fix it?

Vehicle: 2006 Chevrolet Impala

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P0641 CHEVROLET - 5 Volt Reference Voltage Incorrect

Read more: https://www.autocodes.com/p0641_chevrolet.html

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