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Home >> Cadillac >> 2002 >> Escalade EXT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Engine Sensors & Switches >> Heated Oxygen Sensor No. 2
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Heated Oxygen Sensor No. 2

A malfunction in Heated Oxygen Sensor No. 2 (HO2S 2) 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.