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Home >> GMC >> 2003 >> Jimmy 2D Utility, Part Time, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 4.3L >> Diagnostic Tests >> DTC P0442: EVAP System - Small Leak >> Conditions For Setting DTC

Conditions For Setting DTC

The control module detects a pressure change that is less than a calibrated amount.

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