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.
Ford egr valve diagram. It is actually two separate map sensors. 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. Dpfe sensor also referred to as the back pressure transducer egr vacuum regulator evr solenoid egr valve and assorted hoses. The egr system is differential pressure feedback egr dpfe system controlled by the powertrain control module pcm and composed of the following components.
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. Page 1 of 6.
Common symptoms of a bad egr valve. The egr system module esm is one of ford s latest egr system for gasoline engines. Here s how ford egr works. How to test the ford egr valve egr vacuum solenoid dpfe sensor.
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.