Exhaust Gas RECIRCULATION (EGR) System Test: Notes
NOTE:
EGR systems contain different components depending on application. See Figure. When testing EGR system and components, use Illustration to determine component location.
NOTE:
When performing EGR system test, it may be necessary to monitor engine RPM by using scan tester. For scan tester connections, see IDLE SPEED & MIXTURE in ADJUSTMENTS - 3.4L
article.