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Chevrolet
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2001
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Impala V6-3.4L VIN E
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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Fuel Tank Pressure Sensor
Fuel Tank Pressure Sensor
The scan tool displays
0
to
5 Volts
or
-17.5 to +7.5
in of H2O The
Fuel tank
pressure is used extensively for
EVAP
purge control and EVAP system diagnostics.