System and method for diagnostic of low pressure exhaust gas...

Details System and method for diagnostic of low pressure exhaust gas... System and method for diagnostic of low pressure exhaust gas...

2008-05-06

2008-05-06

Trieu, Thai-Ba (Department: 3748)

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

C123S568210, C701S108000, C701S034000, C073S118040

Reexamination Certificate

active

11460704

ABSTRACT:
A system for a diesel engine having an intake manifold and an exhaust manifold, comprises a turbocharger between the intake and exhaust manifolds; a low pressure exhaust gas recirculation system having a first valve coupled thereto for regulating flow; a high pressure exhaust gas recirculation system having a second valve coupled thereto for regulating flow; a first mass airflow sensor coupled in the engine intake manifold; and a control system configured to diagnose the degradation of the first mass airflow sensor.

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