A power system, comprising a turbocharger, an oil sump, a supply passage, a return passage, and a turbocharger bypass passage. The supply passage is positioned fluidly between the turbocharger and the oil sump and is configured to supply oil to the turbocharger. The return passage is positioned fluidly between the turbocharger and the oil sump and is configured to return oil from the turbocharger to the oil sump. The turbocharger bypass passage is positioned fluidly between the supply passage and the return passage. The turbocharger bypass passage comprises a valve that is configured to be in a closed positioned when the turbocharger is in a normal operating mode, and in an open position when the turbocharger is in a failure mode.