The electronic engine controller was first introduced in the early 1980s. The overriding aim was to find an advantageous alternative to more unreliable and more fuel-consuming carburettor engines. The engine controller is a small electronic component that plays an extremely important role in your car.

How does the engine controller work?

You can certainly call this device the brain of the engine. This controller continuously reads and analyses a lot of information provided by other sensors: the lambda probe, shaft and camshaft position sensors, vacuum sensor, coolant temperature sensor and many other sensors responsible for the functioning of your car.

Symptoms of a defective engine controller

You will certainly not miss a malfunctioning engine controller. The car will inform you about the malfunction through the Check Engine lamp. You will also see symptoms that indicate a malfunctioning controller. The most common symptoms include: problems with ignition, engine stalling, uneven engine operation and rev surging, higher fuel consumption and decreased power.

How to have the engine controller repaired cheaply?

The thing is, repair is not always possible. The engine controller is a very complex component, and therefore possible faults may cause problems in diagnostics and repair. It may be a much better idea to have the controller replaced. You may have come across opinions that replacement is associated with higher expenses. This is true as long as you buy a new controller. However, you can choose another option and buy a used engine controller cheaply.

If you want to avoid excessive costs, then replacing the controller with a used one is a good idea as long as, of course, you make the purchase at a reliable place. You will find cheap used parts including engine controllers here: ECU Engine control unit. The parts, which are available in a wide assortment, come from renowned manufacturers and are reliably tested for efficiency.