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Home >> Cadillac >> 2000 >> Seville STS V8-4.6L VIN 9 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> Engine Scan Tool Data Definitions >> Fuel Tank Pressure
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Fuel Tank Pressure

The scan tool range -17.5 to 7.5 inches H2O (-33 to 14 mmHg)/ 0 to 5 volts. This parameter indicates the fuel tank pressure sensor input to the PCM. The PCM uses the signal to determine the fuel tank pressure. The PCM uses the fuel tank pressure sensor input to determine the status of the EVAP system diagnostics.
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