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P0749 Diagnostic Trouble Code Discussion for May 2018

Pressure Control Solenoid Circuit Intermittent


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Trouble Ticket Help Requests for DTC P0749
Help Request Posted
2008 Mercedes-Benz S63 AMG 6.3L MIL Lamp on VIN: WDDNG77XX8
P0749: Left bank enrichment at idle above premissible limit. Mercedes Tech, please help on this bad boy here. Customer came in concern loss acceleration, hissing noise at idle & check engine light on. We smoke test intake system, no external leak found. We spray brake cleaner around intake & found leak in be...
May 10, 2018