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Home >> Subaru >> 2019 >> WRX STI Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Control System (Diagnostics) (Except For STI) (2 Of 4)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P0506: Idle Control System Rpm - Lower Than Expected >> Outline Of Diagnosis

Outline Of Diagnosis

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Detect the malfunction that actual engine speed is not close to target engine speed during idling. Judge as NG when actual engine speed is not close to target engine speed during idling.