DTC Parameters

WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Engine is at idle.
ECT at start-up is less than 95°F (35°C).
Engine run time is 1-12 seconds.
EVAP diagnostics are not running.
No low or high voltage FTP sensor circuit DTCs have been set.

DTC sets if fuel tank pressure sensor signal voltage is less than 0.78 volt (greater than 3.61 in. H20) or greater than 2.94 volts (less than -7.23 in. H20) for longer than 10 seconds.