EGR System: Notes
WARNING: This page is about a different car, the 2002 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Individual EGR component testing is not available from manufacturer. For EGR system testing, see DTC P0401: EGR SYSTEM FAILURE
under DIAGNOSTIC TESTS in SELF-DIAGNOSTICS - PT CRUISER article.