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Home >> Chevrolet >> 2001 >> Tracker 2D Utility, 4WD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics >> Diagnostic Tests >> DTC P0451: Fuel Tank Pressure Sensor Performance - With ORVR >> Circuit Description

Circuit Description

Fuel Tank Pressure (FTP) sensor responds to changes in fuel tank pressure or vacuum. FTP sensor signal voltage to PCM varies from a minimum of about 0.2 volt with pressure in fuel tank to greater than 4 volts with low pressure in fuel tank.

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