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P0749 Diagnostic Trouble Code Discussion for September 2010

Pressure Control Solenoid Circuit Intermittent

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Trouble Ticket Help Requests for DTC P0749
Help Request Posted
2006 Mercedes-Benz R350 4Matic 3.5L Hesitation, MIL Lamp on VIN: 4JGCB65E46
P0749: Adaptation at limit Idle Rich left bank. ... traction on this one. Car came in with a dead misfire and a handful of codes. Found the tumble doors inside the intake self-destructed, pretty spectacular. Replaced intake assembly, new plugs, cleared codes. came back with the listed codes--adapt at limit,...
September 23, 2010