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Home >> Chevrolet >> 2002 >> Impala Base, 3.8 K >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P1133: Ho2S Insufficient Switching - Sensor 1 >> Notes
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DTC P1133: Ho2S Insufficient Switching - Sensor 1: Notes

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