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  2. Mass flow sensor - Wikipedia

    en.wikipedia.org/wiki/Mass_flow_sensor

    MAF sensor in a 2006-2015 automotive diesel engine. A mass (air) flow sensor (MAF) is a sensor used to determine the mass flow rate of air entering a fuel-injected internal combustion engine. The air mass information is necessary for the engine control unit (ECU) to balance and deliver the correct fuel mass to the engine. Air changes its ...

  3. MAFless Tuning - Wikipedia

    en.wikipedia.org/wiki/MAFless_Tuning

    This requires the use of an alternative method of calculating airflow into the engine, which is also referred to as 'Speed-Density' system, as opposed to a MAF system. On vehicles so equipped, this alternative involves the use of a manifold absolute pressure, or MAP, sensor. The MAP sensor measures pressure in the engine's inlet manifold.

  4. MAP sensor - Wikipedia

    en.wikipedia.org/wiki/MAP_sensor

    A fuel-injected engine may alternatively use a mass airflow sensor (MAF sensor) to detect the intake airflow. A typical naturally aspirated engine configuration employs one or the other, whereas forced induction engines typically use both; a MAF sensor on the Cold Air Intake leading to the turbo and a MAP sensor on the intake tract post- turbo ...

  5. General Motors LS-based small-block engine - Wikipedia

    en.wikipedia.org/wiki/General_Motors_LS-based...

    A clean-sheet design, the only shared components between the Gen III engines and the first two generations of the Chevrolet small-block engine are the connecting rod bearings and valve lifters. [1] However, the Gen III and Gen IV engines were designed with modularity in mind, and several engines of the two generations share a large number of ...

  6. Air flow meter - Wikipedia

    en.wikipedia.org/wiki/Air_flow_meter

    Air flow meters monitor air (compressed, forced, or ambient) in many manufacturing processes. In many industries, preheated air (called "combustion air") is added to boiler fuel just before fuel ignition to ensure the proper ratio of fuel to air for an efficient flame.

  7. Idle air control actuator - Wikipedia

    en.wikipedia.org/wiki/Idle_air_control_actuator

    The most common failure mode is partial/complete jamming of the actuator (due to dirt/dust or even oil) where it cannot be smoothly controlled. The result is an engine that fails to maintain idle RPM and frequently stalls. A jammed actuator may be freed simply by cleaning it.