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GMC
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2006
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Envoy 4.2 S, 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 - 4.2L - DTC P0135 To P0418
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DTC P0412
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Typical Scan Tool Data
Typical Scan Tool Data
AIR Pressure Sensor
Circuit
Normal Range
Short to Ground
Open
Short to Voltage
Operating Conditions:
Key ON, Engine OFF
5-Volt Reference Voltage
BARO
41 kPa
41 kPa
111 kPa
Pressure Sensor Signal
BARO
42 kPa
41 kPa
150 kPa
Low Reference
BARO
BARO
145 kPa
BARO