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Home >> Lexus >> 2023 >> NX 250 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Engine Control System - Diagnostic Codes (P22AB-U115C) & Circuit Tests (1 Of 2)) >> SFI System >> DTC P25B4-73: Turbocharger/Supercharger Wastegate "A" Actuator Stuck Closed [11/2021 - ] >> Monitor Description

Monitor Description

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Monitors the turbocharging pressure when the waste gate valve receives an open command. A waste gate valve stuck close malfunction occurs when the turbocharging variation, which results from 2 operation conditions with differing air volumes, becomes equal to, or greater than, the judgment variation. The ECM illuminates the MIL and stores a DTC.

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