EGR Valve: Testing and Inspection

Procedure # 1

This test is conducted check EGR valve for proper operation.

Tech 2 must be used for this test.

Test Procedure:
1. Connect Tech 2 to the vehicle DLC.
2. Run the Engine at idle.




3. Select F3: Miscellaneous Test in the Application Menu.




4. Select F5: EGR Control Test in the Miscellaneous Test.




5. Control EGR Valve and check data list.
6. If the change, the EGR Control is normal.

Procedure # 2

1. Inspect the air passage for a restriction. If there is restriction, remove the object. Do not use any type of solvent, it may damage electrical system of EGR valve.




2. Inspect restriction for valve movement. If there is restriction remove the object.