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Suzuki
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2003
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Vitara 2D Utility, RWD, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P0031 & DTC P0032
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Code Definition
Code Definition
DTC P0031: Heated Oxygen Sensor No. 1 - Heater Circuit - Low Input.
DTC P0032: Heated Oxygen Sensor No. 1 - Heater Circuit - High Input.