Quote: Originally posted by romeochan on 19 May 2004
thats good. u know how some people have mentioned the ecu and the ideling,can u explain what these mean please? cause then maybe i can understand the mechanical side of things more
Ideling is what the engine does when you dont have your foot on the peddle its a fixed amount of revs the engien runs to keep the engine going. The ECU controls the amout of fuel etc it should run to make the engine stay at idle. When you put your foot on the accelerator the ecu recognises this and checks its mapping and sees how much fuel and throttle plate opening should be applied and then sends these signals to the injecotrs etc.
The Ecu is the brains of the engine telling it how to runand what to do ie full throttle at 4k will be different than what it does at full throttle at 2k.
The ECU is the little box under the bonnet on the passengers side under the metal covering plate behind the battery.
The Ecu controls the
Injecors (ie how much fuel they should let into each cylinder)
Fuel pump to ensure fuel is availiable to the injectors.
The spark plug to ingite the fuel
The throttle plate to control air flow into the engine.
There are others but there the main ones.
It recieves data from loads of bits but the biggest one is the accelerator.