At this point they are considered incertae sedis;in other words, we know that they are theropods; and probably coelurosaurs; but we don't know who they are related to or how they fit into the big picture of theropod phylogeny.
Idle speed is adjusted by means of the idle control valve, which is a solenoid-operated valve that is generally automatically adjusted by a computer. One problem that can occur with this component is a loss of power (from a severed line or a short) but a more common problem is simply dirt and grime.
VGT Control Valve. TURBOCHARGER DESCRIPTION AND BASIC OPERATION. The turbocharger for the 6.0LPower Strokeengine is designed to improve throttle response by. providing boost control at low and high speeds. The Variable Geometry Turbocharger (VGT) is electronically controlled by the vehicleâs PCM and.