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Chevrolet
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2002
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Venture Base, Van Passenger Extended
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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 P0134: Ho2S Circuit - Insufficient Activity - Sensor 1
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Conditions For Setting DTC
Conditions For Setting DTC
HO2S 1 signal voltage remains between 350-550 mV for more than 30 seconds.