2001_Ford_Explorer_Sport_Trac Wiki

The ExhaustGasRecircValve, on left side of IntakeManifold throat, is Vacuum actuated by the EGRSolenoid.

The EGRSolenoid, mounted near EGRValve, is a 12v~Vac Relay actuated by the PowerControlModul\PCM.

The DiffPresFlowElement allows calculation of EGRFlow from ExhaustManifold to EGRValve to IntakeManifold.

The DPFElement, mounted on 2 RiserHoses+Tubes, sends DiffPressure to the PCM for calculating EGRFlow.

Links To Related Info

Thanks go to the brave souls who've preceded me in similar adventures & freely shared their experience below:

https://web.archive.org/web/20200608162124if_/http://www.autocodes.com/qa/?qa=blob&qa_blobid=3369750640093278013
https://easyautodiagnostics.com/ford/4.6L-5.4L/how-to-test-the-egr-system-1
https://youtu.be/ihCmVYqk_lw?t=17 EGRValve Fix
https://youtu.be/HpmMa7z8NGo?t=8 EGRValve Mod
https://youtu.be/g3k8kuJ30UQ?t=17 DPFElement Fix
https://web.archive.org/web/20210131201728if_/http://www.explorerforum.com/forums/threads/egr-hose-replacement.491232 DPFElement Hose Fix