An engine controller is an electronic device which collects a lot of information from sensors placed in different parts of the vehicle; then it can regulate e.g. the engine power and the performance of your car. Of course, it is a solution that monitors the operation of the entire car; it can help you save fuel by adjusting the flow rate in such a way as to achieve the desired power. Cars today are equipped with direct fuel injection, which means you can get the right mixture.

Which components are monitored by the engine controller?

Correct engine operation is also possible thanks to the continuous checking of the position of the crankshaft and camshafts. In this case, an induction sensor is used, which sends information to the engine controller. The engine speed and crankshaft position are calculated. If the engine controller cannot obtain the crankshaft position data, it is impossible to determine the position of the pistons, so it will be impossible to start the engine.

Additionally, the engine controller monitors the operation of the ignition; the control unit also uses data from a sensor to monitor the amount of air that enters the throttle through the filter. The sensors record the density and amount of the air that enters the mixture. Also important is obviously information about the fuel so that the right mixture might be produced. Essential information is also provided from the lambda sensor which is located in the exhaust manifold. These data concern the composition of the exhaust gases and the oxygen content so that the controller can adjust the mixture based on the analysis of exhaust gases. In the case of damage to the engine controller, the symptoms may include uneven operation and delivering the wrong mixture, which may be manifested by too low power; in addition, smoke from the exhaust pipe can be observed, which will be indicative of improper combustion.

You can buy an engine controller for your car on the engine controller. The prices of new controllers are often quite high so it is worth looking for replacements. Some electronic components can be replaced to make the controller fully operational.