Boost Pressure Below Normal The probable root causes are listed below: Air inlet restrictions Fuel supply Injector solenoid Wastegate Engine speed/timing signal Low fueling rate Active engine derate Intermittent sensor problem Perform the following checks: Check for restrictions in the air inlet system. Refer to Systems Operation, "Restriction of Air Inlet and Exhaust". Check fuel lines for the following problems:...
Thursday, October 29, 2009
Sunday, October 25, 2009
Air Inlet and Exhaust System Operation
Air Inlet and Exhaust System OperationThe components of the air inlet and exhaust system control the quality and the amount of air that is available for combustion. There are separate turbochargers and exhaust manifolds on each side of the engine. An aftercooler is located between the cylinder heads in the center of the engine. The inlet manifold is a series of elbows that connect the aftercooler chamber to the inlet ports (passages)...
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