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Home >> GMC >> 2002 >> Yukon Base, 5.3 Z, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Engine Sensors & Switches >> Engine Oil Level Switch
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Engine Oil Level Switch

NOTE: Ensure oil level is okay before performing engine oil level switch diagnosis.

A malfunction in engine oil level switch circuit can set a Diagnostic Trouble Code (DTC). For testing procedures and specifications, perform appropriate diagnostic test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS in appropriate SELF-DIAGNOSTICS article.