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The intake air temperature sensor measures the temperature of the air entering a car's engine through the intake manifold and relays the information to the engine control unit. To operate as efficiently as possible, car ... More »

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An air charge temperature sensor is a device inside the engine that monitors the temperature of the air going into the engine. In cars made after 1995, this part is called the intake air temperature sensor. The sensor se... More »

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Air intake temperature sensors, or IAT sensors, work by analyzing and recording information through a computer in the car to determine air density. The amount of air density in turn helps sensors maintain a correct fuel ... More »

www.reference.com Vehicles Car Parts & Maintenance
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A manifold absolute pressure, or MAP, sensor measures the pressure inside the intake manifold and sends a signal to the engine's electronic control unit. The electronic control unit uses this signal to adjust ignition ti... More »

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A fuel pressure sensor is a device that reads the pressure in the fuel rail and transmits the information to the engine control unit. The fuel pressure sensor, or FPS, is fitted onto the common rail. It reads pressure wi... More »

www.reference.com Vehicles Car Parts & Maintenance

A manifold absolute pressure sensor is located on the intake manifold of a vehicle's engine. Inside the MAP sensor is a resistor that moves in relation to the intake manifold pressure. More »

www.reference.com Vehicles Car Parts & Maintenance

The mass air flow sensor is located right after a car's air filter along the intake pipe before the engine. The sensor helps a car's computer determine how much fuel and spark the engine should be outputting. More »

www.reference.com Vehicles Car Parts & Maintenance