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dodge - The history of petrol engines can be dated all the way back to the 19th century once the first single cylinder engine was created. This also marked the integration of the "carburetor" into the design of automotive engines. Further improvements in the design resulted in multi cylinder petrol engines, however, the best innovation to be integrated into petrol engine design was done in the 80's by BMW when they created a system which controlled the fuel injection, air flow and the ignition sparks with the engine. Further refinements and iterations on this design have resulted in a system which has replaced carburetors in modern petrol engines. This computerized device is known as an Engine Control Unit also it consists of an array of sensors utilized to monitor various engine performance parameters.

Engine control units present in modern cars lead to monitoring and operating every function of an internal combustion engine, from changing the valve timing to manipulating the amount of fuel that's injected based on a a few different parameters, the ECU is widely considered your brain of modern automobiles. The Chrysler 300m ECU is found at the rear of the engine bay, at the back of the center of the dashboard.

jeep - The Chrysler 300m ECU is responsible for controlling the various parameters of car engines like the air/fuel mixture, the valve timing and also the timing of the spark ignition. Unlike other ECUs, which have a fixed number of engine parameters and mainly control the amount and air and fuel that switches into the combustion chamber, the Chrysler 300m ECU is a highly advanced control module and it is able to control an enormous array of engine parameters to improve the power and efficiency of the engine. The Chrysler 300m ECU is a sophisticated computerized device which monitors the exhaust and adjusts it based on predefined performance maps stored on the onboard chip from the ECU. The Chrysler 300m ECU communicates with the throttle position sensor and also the Mass air flow sensor to determine the amount of air that's being sucked to the engine and adjusts how much fuel accordingly. This not merely provides a substantial increase in power, but it also increases the economy of the vehicle. Utilizing this ECU, Chrysler provides a new technology referred to as cylinder deactivation which basically involves shutting off several cylinders of the engine once the vehicle is cruising. This know-how not allows for huge fuel savings without having to sacrifice any power by deciding on a smaller engine.

The chrysler 300, engine control unit can also be capable of eliminating engine "knocking". Engine knock is the phenomenon in which the petrol undergoes combustion prior to being ignited by the spark plugs, and as such, knocking can cause a lot of damage to the engine. However, once the Chrysler 300m ECU detects an imminent knocking effect, it adjusts the valve timing and delays it by a number of milliseconds in order to avoid premature combustion of the fuel. The Chrysler 300m engine control module greatly increases the power, fuel economy and efficiency from the engine and the effectiveness of the device is evident from the widespread adoption