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Home >> GMC >> 2001 >> Jimmy 4D Utility, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 4.3L >> Diagnostic Tests >> DTC P1441: Evaporative System - Vacuum Is Greater Than Calibrated Value ("L" & "M" Series) >> Diagnostic Aids

Diagnostic Aids

An intermittent condition could be caused by an improperly installed or damaged EVAP canister purge solenoid or a temporary blockage in the EVAP canister purge solenoid. Repair blockage in EVAP system.

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