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What parts will I need to fix p1406 on a 1996 Buick Regal 3.8L?

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What parts will I need to fix p1406 on a 1996 Buick Regal 3.8L? Exhaust Gas Recirculation Sensor

Vehicle: 1996 Buick Regal 3.8L

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The most common cause Faulty Exhaust Gas Recirculation (EGR) valve

P1406 BUICK - EGR Valve Pintle Position Circuit
Read more: https://www.autocodes.com/p1406_buick.html

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