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Home >> Oldsmobile >> 2000 >> Intrigue GL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1133: Ho2S Insufficient Switching - Sensor 1 >> Diagnostic Aids

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Diagnostic Aids

Check HO2S heater operation. If HO2S heater operation is okay, replace HO2S.

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