+3 Manifold Absolute Pressure MAP Sensor for 6.6l Duramax L5P 2017-2022 Chevy GMC KB-12681993 $41.95 In stock Quantity: 1 Add to Bag Product Details Cross Reference:: 22951817 23324767 New Manifold Absolute Pressure Sensor. A bad MAP can cause low power or fueling issues as the ECM can not calculate the correct air pressure entering the engine. Fits: 2017-2021 Chevy GMC 6.6l Duramax L5P Engines. Save this product for later Favorite