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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics - 4.3L >> Diagnostic Tests >> DTC P1133 Or P1153: Ho2S Circuit - Insufficient Switching (Bank 1 & 2, Sensor 1) >> Notes

DTC P1133 Or P1153: Ho2S Circuit - Insufficient Switching (Bank 1 & 2, Sensor 1): Notes

NOTE: To locate components, see COMPONENT LOCATIONS . For circuit reference, see WIRING DIAGRAMS . For connector terminal identification, see CONNECTOR IDENTIFICATION .
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