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Home >> GMC >> 2002 >> Jimmy 2D Utility, Part Time, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 4.3L >> 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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