Ford Egr Valve Diagram

The egr system module esm is one of ford s latest egr system for gasoline engines.

Ford egr valve diagram. The egr vacuum diagram for your particular vehicle is displayed on the vehicle emission control information veci label. Page 1 of 6. To accomplish this task the egr valve is attached to the intake manifold of the engine. This location is atop of the engine near the carburetor usually towards the back of the engine near the firewall.

The egr system is differential pressure feedback egr dpfe system controlled by the powertrain control module pcm and composed of the following components. 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. The purpose of the egr valve is to recirculating engine exhaust gas to the back to the engine cylinders. When certain driving conditions are met and the computer wants exhaust gas recirculation it provides a pulsing voltage to the electronic vacuum.

Here s how ford egr works. It is an egr valve evr map and dpfe sensor rolled into one package. Testing the ford egr valve egr valve vacuum solenoid and dpfe sensor on ford lincoln mercury and mazda. 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.

Dpfe sensor also referred to as the back pressure transducer egr vacuum regulator evr solenoid egr valve and assorted hoses. It is actually two separate map sensors.