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Home >> Subaru >> 2020 >> Crosstrek Base, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Control System (Diagnostics) (HEV) (4 Of 4)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P2457: EGR Cooler "A" Efficiency Below Threshold >> General Description >> Outline Of Diagnosis

Outline Of Diagnosis

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

Detect EGR cooler malfunction.

Judge as NG when the EGR gas temperature is equal to or more than the specified value.

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