When idling, intake pressure usually ranges from 16-22 in. Hg. Because this is lower than atmospheric pressure, air rushes into the intake. When the driver uses the engine to brake, pressure can go as low as 10 in. Hg. Upon accelerating, however, the open throttle body allows air to rush in faster, increasing pressure in the intake.
The MAP sensor, or the manifold absolute pressure sensor, is an essential component of the engine management system in the Honda Accord. Also, a MAP sensor is found in fuel-injected vehicles, and its primary function is to provide information about intake manifold pressure to the Powertrain Control Module (PCM/ECM).
The manifold absolute pressure (MAP) sensor monitors this and reports the information to the engine's computer. If the MAP sensor starts to fail, these are some of the most common symptoms: 1. Your engine accelerates poorly: If a MAP sensor fails, it can cause the engine's computer to miscalculate the amount of fuel and ignition timing
The intake manifold pressure sensor measures the intake manifold vacuum that exists in the intake manifold after the throttle. The measured values of the intake manifold pressure sensor and the intake air temperature sensor are required to calculate the intake air mass. Depending on the injection system, the intake manifold pressure sensor and
bxWII.intake manifold pressure sensor symptoms
