Typical Scan Tool Data

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

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