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Home >> Suzuki >> 2001 >> XL-7 Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0133: Ho2S Bank No. 1 (Left Bank) Sensor No. 1 (B1 S1) Circuit, High Input >> Condition
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DTC P0133: Ho2S Bank No. 1 (Left Bank) Sensor No. 1 (B1 S1) Circuit, High Input: Condition

DTC is set when time for HO2S B1 S1 to change from lean to rich or from rich to lean is high. MIL is illuminated when Power Control Module (PCM) detects malfunction during 2 consecutive drive cycles. Possible causes are:

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