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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 81 (Engine Controls - Self-Diagnostics - 4.8L, 5.3L & 6.0L) >> Diagnostic Tests >> DTC P0440: EVAP System - Large Leak >> Conditions For Setting DTC

Conditions For Setting DTC

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