P004F - Turbocharger/Supercharger Boost Control 'B' Circuit Intermittent/Erratic
P004f DescriptionThe turbocharger has nozzle vane which opens and closes to control the volume of the exhaust gas flowing into the turbine. This, in turn, controls the boost pressure, when the nozzle vane moves towards the closing direction, the pressure increases. When the vane moves towards the opening direction, the pressure decreases.
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