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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (Engine Controls Self-Diagnostics - 2.2L) >> Diagnostic Tests >> DTC P1441: EVAP System Flow During Non-Purge (SOHC) >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2002 Pontiac Sunfire, 2002 Pontiac Grand Am, 2002 Oldsmobile Alero, and 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

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

A temporary blockage in the EVAP canister purge valve, purge pipe, or EVAP canister could cause an intermittent condition. Repair EVAP system.

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