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Home › Chevrolet › 2005 › Venture LS › Repair and Diagnosis › Engine Performance › System › Engine Control System - 3.4L DTC P0446 To P1640 › DTC Tests › DTC P0446 › Conditions for Setting the DTC

Conditions for Setting the DTC

The FTP sensor is greater than 10 inches H2O.
The condition is present for as long as 30 seconds.