Where is dpfe sensor on 2004 mercury monteray?

The DPFE (Delta Pressure Feedback EGR) sensor on a 2004 Mercury Monterey is typically located near the EGR valve, often mounted on the intake manifold or on the firewall side of the engine. It has two small hoses connected to it that measure pressure differences in the exhaust system related to the EGR operation. To access it, you may need to remove some components for better visibility. Always consult the vehicle's service manual for specific details and diagrams.