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GMC
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2002
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Envoy 4WD
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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 - 4.2L
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Diagnostic Tests
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DTC P1275: Accelerator Pedal Position Circuit - Sensor 1
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Conditions For Setting DTC
Conditions For Setting DTC
The APP sensor 1 voltage is less than 0.13 volts or more than 4.87 volts.