Check The Basics When Chasing Down An Intake Seal Issue Before we go any further, it’s also important to mention that a poor intake manifold seal can also originate from other areas. We’ve ...

is open, which is determined by how far down the accelerator pedal has been pushed. The throttle position controls the amount of air that flows into an engine’s intake manifold; when it’s ...

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 ...