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Home >> Ford >> 2003 >> Excursion 5.4 L, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Controls - System & Component Testing - 7.3L Diesel) >> Engine Performance Diagnostic Procedures >> Test 9: Perform KOER On-Demand Self-Test >> Notes
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Test 9: Perform KOER On-Demand Self-Test: Notes

WARNING: This page is about a different variant/trim than selected.
NOTE: Before performing KOER ON-DEMAND SELF-TEST make sure high-pressure oil passages are free of air. A recent repair to system may allow air to enter oil passages. To remove air, drive vehicle through deceleration and acceleration cycles at highway speeds for 20 miles.