Part Type: Manifold Absolute Pressure Sensor. Manifold Absolute Pressure Sensor. 1997 Dodge Ram 2500 Engine: 5.9L V8 Naturally Aspirated;. 1998 Dodge Ram 2500 Engine: 5.9L V8 Naturally Aspirated;. 2000 Dodge Ram 2500 Engine: 5.9L V8 Naturally Aspirated;.