FixVault
Home
›
Chevrolet
›
2009
›
TrailBlazer 4.2 S, RWD
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Control System & Fuel System - 4.2L - DTC P0366 T0 DTC P2544
›
DTC P0446
›
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