The ECU is the brians of the motor and controls everything. it controls how much fuel can enter the motor, when the spark plugs spark, it dose this by reading the multidimen sional preformace maps. it uses engine sensors to control this.
Mass air flow sensor
A mass air flow sensor is used to find out how much air is entering the the fuel injetion system. The air mass in need so the computer can work out how mcuh fuel is need to be injected into the system so it has the wright balance of air/fuel mixture.
Air Temp sensor
The air temp sensor is used for two diffrent purposes. One is a warning system to warn the ECU if the air is to hot.There other purpose is to monitor catalyst functioning. they normally have have two sensors one befor the catalyti and one after to monater the temp after passing the catalytic core.
TPS throttle position sensor
A TPS is a sensor used to monitor the postion of the throttle in a internal combustion engine. The sensor is normally located on the buterfly so it an directly monitor the position of the buterfly.
Throttle body
In fuel injected motors the thrttle body is part of the air intake system. The throttle body is in respons with the accelaraotor pedal. The throtle body is normaly mounted in between the air fitter box and intake manafold. The biggest part on the throttle body is the throttle plate.
Once again what you have covered is quite good, but not everything that is meant to be done has been done.
ReplyDelete