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Home › Ford › 2003 › Excursion 7.3 F, 4WD › Repair and Diagnosis › Engine Performance › System › Engine Controls - System & Component Testing - 7.3L Diesel › Engine Performance Diagnostic Procedures › Test 3: Check Engine Oil Level › Purpose

Test 3: Check Engine Oil Level: Purpose

This test is performed to determine if there is enough oil or oil of sufficient quality to operate injectors.