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Home › Pontiac › 2002 › Firebird Formula, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Control System Self-Diagnostics - 5.7L › Diagnostic Tests › DTC P0440: EVAP System - Large Leak › Conditions For Setting DTC

Conditions For Setting DTC

The EVAP system is not able to achieve or maintain vacuum during the diagnostic test.

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