Ford Egr Valve Diagram

It is an egr valve evr map and dpfe sensor rolled into one package.

Ford egr valve diagram. The testing procedures shown in this video can be applied to any ford lincoln or mercury that uses a vacuum controlled egr valve combined with a delta pressure feedback egr sensor dpfe. Dpfe sensor also referred to as the back pressure transducer egr vacuum regulator evr solenoid egr valve and assorted hoses. When certain driving conditions are met and the computer wants exhaust gas recirculation it provides a pulsing voltage to the electronic vacuum. The egr system module esm is one of ford s latest egr system for gasoline engines.

This location is atop of the engine near the carburetor usually towards the back of the engine near the firewall. Though the dpfe sensor on an esm is referred to as dpfe by the scan tool and also wiring diagrams it is not a traditional dpfe sensor as used on the older egr system. The egr system is differential pressure feedback egr dpfe system controlled by the powertrain control module pcm and composed of the following components. Common symptoms of a bad egr valve.

To accomplish this task the egr valve is attached to the intake manifold of the engine. The purpose of the egr valve is to recirculating engine exhaust gas to the back to the engine cylinders. How to test the ford egr valve egr vacuum solenoid dpfe sensor. A delta pressure feedback egr dpfe that measures the change in exhaust pressure before and after a restriction in the exhaust tube that leads up to the egr valve.

Testing the ford egr valve egr valve vacuum solenoid and dpfe sensor on ford lincoln mercury and mazda. Here s how ford egr works.