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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Engine Control System (8AR-FTS) - Diagnostic Codes (14 Of 14) & Symptom Tests (1 Of 4)) >> SFI System >> DTC P25B4-73: Turbocharger/Supercharger Wastegate "A" Actuator Stuck Closed [08/2015 - 09/2022] >> 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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