Mike's Workshop Manuals
: Service manuals for every vehicle
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Pontiac
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2009
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G8 GXP, 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 & Fuel System - 6.0L, 6.2L - P0340 To DTC P3400
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DTC P0446
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Typical Scan Tool Data
Typical Scan Tool Data
FTP Sensor Signal Voltage
Fuel Tank Pressure
1.5V
Atmospheric Pressure/BARO
Less than 1.5V
Positive Pressure
More than 1.5V
Negative Pressure/Vacuum