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Purpose of an air flow sensor in Toyota Echo?
The purpose of an air flow sensor in ANY car is to measure the air coming into the intake of the engine and communicate this to the ECU (engine control unit) so the EFI (electronic fuel injection) knows how much fuel to deliver to the combustion chamber.
What is governor used in automobiles?
Governor was firstly used in steam engine developed by James watt for control flow of steam inlet to engine when load changes on engine. Nowadays governor is an obsolete device. in automobile an ECU(electronic control unit) are used.which control the fuel inlet in engine cylinder and control the speed. it consists of sensors which help it to provide signal about requirements of fuel in engine. so controlled fuel is supplied according to requirement. when load increases fuel supply increase and vice verca.
What controls the fuel injection on 96 Yukon?
Well......it depends. ECU (Electronic Control Unit) - controls engine by determining the amount of fuel, ignition timing and other parameters, by monitoring an engine through sensors, and reading values from multidimensional maps. The sensors in question include. IAC (Idle Air Control) **MAF (Mass Air Flow) A mass air flow sensor is used to find out the mass of air entering a fuel-injected 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 density as it expands and contracts with temperature and pressure. In automotive applications, air density varies with the ambient temperature and altitude, and this is an ideal application for a mass sensor. **MAP (Manifold Absolute Pressure) one of the sensors used in an internal combustion engine's electronic control system. Engines that use a MAP sensor are typically fuel injected. The manifold absolute pressure sensor provides instantaneous manifold pressure information to the engine's electronic control unit (ECU). The data are used to calculate air density and determine the engine's air mass flow rate, which in turn determines the required fuel metering for optimum combustion. many more sensors meter and/or control the Fuel injection system. (**) symbolizes it is a single or combination or the items marked.
What is the function of a motor-control unit?
"A motor control unit provides the motor-control for various products, including automobiles and household items like wash machines." "A motor control unit, when used in an internal combustion engine, controls aspects of the engine like how much fuel is pumped into each cylinder."
Why wont Engine start engine electronic control unit problem?
electronic control unit
Where is the fuel control cut off unit in an 1986 Honda Accord?
The fuel control cutoff unit, in your 1986 Honda Accord, is located on top of the fuel injector pump. The fuel control cutoff unit is contained in a sealed box.
Will the engine control unit on a 1989 Oldsmobile regency cause it to stall or will it completely go out all at once?
Check the fuel pump
Ford escort you have changed engine it is fuel injected no 1 cylinder fills with fuel engine control unit checked out ok engine runs only on 3 cylinders?
bad spark plug bad coil bad plug wire
Is the fuel sending unit the same as fuel pump?
No. The fuel sending unit detects the amount of fuel in the tank ... the fuel pump actually delivers the fuel to the engine.
What ECU means on Volvo trucks fh420?
Engine control unit or electronic control unit.
How do Electric fuel injection system work?
When you step on the pedal, the throttle valve opens to allow entry of air. The engine control unit increases the fuel rate to allow more air into the engine. Sensors monitor the amount of air entering the engine.
The unit which controls the flow of data?
Control Unit: this component is responsible for directing the flow of instructions and data within the CPU. The Control Unit is actually built of many other selection circuits such as decoders and multiplexors. In the diagram above, the Decoder and the Multiplexor compose the Control Unit.
