The injector is mounted on the intake manifold and the fuel injector sprays ... fuel injectors operate at approximately 40-50 ...

All engines allow some exhaust gases, unburned fuel and oil to “blow ... Separating the crankcase from the intake manifold, which is a source of varying air pressure, the PCV valve maintains ...

When the throttle is wide open and air is rushing into the intake manifold (causing a drop in pressure), the MAP sensor signals the engine computer to send more fuel. When the throttle closes ...