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Home >> Ford >> 1997 >> RV Cutaway 7.3 F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - 7.3L Diesel >> Engine Performance Diagnosis >> Check For Intake Restriction >> Diagnostic Aids

Diagnostic Aids

This is a visual inspection to determine if an air intake restriction is contributing to a low power condition. If engine has a high intake restriction, a large amount of Black or Blue smoke may exist.