Controlling 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. It determines the amount of air-fuel mixture injecting into the engine. The program received the nece…

The ECU is not a jumble of belts and wires at all. This particular part of the car has a high level of sophistication, andmakes use of microprocessors and sensor data that can be processed to perform in real time. As a part of modern techni…

Anyone who owns a high-performance automobile has to appreciate that an ECU is more than just a fancy looking gadget. This is all part of an engine management system that will allow for amuch better fuel economyand amore responsive performa…

Under the hood of an automobile beats the heart of an amazing piece of machinery. The engine of modern cars has evolved significantly over the years, andit is not the same internal combustion machine developed by Henry Ford. There is a comp…

Locate the PCM of your car first, for some car models; it can be buried beneath other components. Disconnect your battery terminals first and then replace your new PCM. You can connect  your battery terminals again after that. For some ca…

When you get a “Check Engine” light, the first thing to do is to check the engine sub-systems. If all the systems are perfect, the next possibility can be a damaged PCM. Other than this, if you experience a trouble while starting or run…