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Home › Pontiac › 2003 › Grand Prix GTP › Repair and Diagnosis › Engine Performance › System › Engine Control System Self-Diagnostics - 3.8L › Diagnostic Tests › DTC P0446: EVAP Vent System Performance › Conditions For Setting DTC

Conditions For Setting DTC

DTC sets when FTP is less than -10 in. H2O for as long as 30 seconds.

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