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EGR Solenoid Test
- Verify that vacuum is present at vacuum fitting "C" of the EGR solenoid. See Fig 1
. Remove vacuum connector from "A" and "B". Connect a vacuum gauge to "B".
- Start and idle the engine. There should be no vacuum at "B". Disconnect electrical connector "D" from the solenoid. There should now be vacuum at "B".
Courtesy of AMERICAN MOTORS/JEEP CORP.