Diagnostic systems and methods for variable lift mechanisms of engine systems having a camshaft driven fuel pump
A lift mechanism diagnostic system comprises a fuel pump disabling module, a pressure module, and a diagnostic module. The fuel pump disabling module selectively disables a fuel pump that is driven by a camshaft. The pressure module determines a first pressure of fluid provided to a variable valve l...
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| Format: | Patent |
| Sprache: | eng |
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