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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 425 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1441: EVAP Emission System Flow During Non-Purge >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

The EVAP system tests run when the engine is first started and meets the Conditions For Running DTC. An intermittent condition could be caused by an improperly installed or damaged EVAP canister purge solenoid, or by a temporary blockage in the EVAP canister purge solenoid.

An intermittent condition could be caused by an improperly installed or damaged EVAP canister purge valve or by a temporary blockage in EVAP canister purge valve. See EVAPORATIVE EMISSION SYSTEM CLEANING in appropriate REMOVAL, OVERHAUL & INSTALLATION article.

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