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Chevrolet
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2002
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Tracker 2D Utility, RWD, Standard
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Self-Diagnostics - 2.0L
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Diagnostic Tests
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DTC P0140: Ho2S Circuit (Sensor 2)
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Conditions For Setting DTC
Conditions For Setting DTC
The PCM detects an average HO2S 2 signal voltage that is less than a specified value or the highest voltage produced by the HO2S 2 is below a specified value.