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Home >> Ford >> 2003 >> Excursion 7.3 F, RWD >> 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
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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.