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The best suitable and appropriate timing of opening and closing of valve helps in increasing the power and economy of the engine.ĮCU Also Increases the Torque and BHP. Apart from the controlling on idle speed ECU also controls the timing at which the valve open or close in the engine cycle. Idle speed is controlled through the programmable throttle stop. ECU detects the knocking and delayed the time of spark to prevent it.Ĭontrolling on Idle speed and variable valve timing:Most cars have also built in control system in their ECU for controlling idle speed. This results in detonation also known as Knocking or pinking. This is mainly happened in the condition whenever there is unburned air-fuel mixture left and it is subjected to combination of heat and pressure. ECU detects itself whether there is the problem in the compression stroke or not and works according and set the timing of ignition. JET ENGINE, its COMPONENTS and its WORKINGĬontrolling the ignition timing:ECU adjust the exact timing of the spark or the ignition timing to provide the better power and economy. WHAT IS TURBOCHARGER AND WORKING OF TURBOCHARGER This process is also called injection duration.ĪNTI-LOCK BRAKING SYSTEM (ABS) AND ITS WORKING It also decides whether it is the right time to deliver the air-fuel mixture in a proper ration or not. The program received the necessary data and computes it and gives the appropriate amount of mixture. It determines the amount of air-fuel mixture injecting into the engine. And from here the function of the ECU starts.Ĭontrolling the air-fuel mixture:This is the one of the most Important function of ECU as it controls the fuel mixture used by the engine. Also Read:CRDi Common Rail Direct Fuel Injection System Working of ECUĮCU is the integral part of EFI or Electronic Fuel Injection(a type of fuel injection system commonly used among cars).Electronic Fuel Injection can be divided into sub-systems namely Air induction system, fuel delivery System and the electronic control system. Engine Control Module or ECM is the same as Engine Control unit the difference is that if we named overall combined section of control unit in engine then we called it as Engine Control Module or ECM. This is also responsible for the best Engine performance. The ECM or Electronic Control Module (Engine Control Module) and PCM or Powertrain Control Module are both examples of these technological advancements.
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It seems more and more parts rely on computers, sensors, and capacitors than ever before. Within the Engine Bay ECU takes the values from A multitude of sensors and then interpret that data by using multidimensional Performance maps And in this way adjust the engine actuators accordingly. As technology continues to advance and move forward, so does the way our vehicles operate and run. The Engine Control Unit is also called Power train control unit.
#WHAT IS AN ECM IN A CAR SERIES#
The main function of ECU or Engine Control Unit is the controlling of series of function of actuators on an internal combustion engine and ensuring the excellent engine performance.