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TURBOCHARGER SYSTEM DIAGNOSIS AND TESTING DIAGNOSIS AND TESTING - TURBOCHARGER Check for Diagnostic Trouble Codes (DTC’S) stored in PCM memory. If any DTC’S are present, refer to TURBOCHARGER DIAGNOSIS CONDITION POSSIBLE CAUSES Low boost pressure, lack Clogged air filter Leaks between engine Exhaust restriction Restriction in charge air Wastegate stuck open Wastegate actuator Seized turbocharger shaft Fig. 1 Exhaust System - SRT-4 1 - CATALYTIC CONVERTER 3 - ISOLATOR(S) 11 - 2 EXHAUST SYSTEM AND TURBOCHARGER PL/SRT-4 EXHAUST SYSTEM AND TURBOCHARGER (Continued) |