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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System (SFI) - Diagnostics (2AZ-FE)) >> DTC P2421, P2422: Evaporative Emission System Check Valve Stuck >> Circuit Description

Circuit Description

WARNING: This page is about a different variant/trim than selected.

The circuit description can be found in the EVAP Inspection Procedure (see EVAP INSPECTION PROCEDURE ).

Fig 1: DTC Trouble Detection Chart (DTC - P2421/2422)
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