A MAP sensor, or manifold absolute pressure sensor, is a type of engine sensor that measures the amount of air pressure present in a vehicle’s intake manifold. This pressure reading is used along with engine speed (measured in revolutions per … Read more
The Powertrain Control Module (PCM) is a sophisticated piece of machinery. It receives data from a range of sensors. The Engine Control Module (ECM) and the Transmission Control Module (TCM) are both examples of systems that the PCM monitors. Remarkably, … Read more
With a vehicle, there’s a lot of power under the hood. We’re not talking strictly about horsepower, but rather energy output in general. The energy that the car needs is supplied by the fuel and by the battery. You need … Read more
It’s easy to assume that all spark plugs are the same. After all, their main purpose is to generate an electric current to ignite the compressed air and fuel in the combustion chamber. However, there’s more to spark plugs than … Read more
The engine control unit (ECU), also referred to as the engine control module (ECM), is an electronic module that controls the function of the engine. This is done through a series of electronic components and sensors which compute data back … Read more
As you probably know, the internal combustion engine of your vehicle needs the right balance of air and fuel in its cylinders for a successful combustion to take place. This will generate the proper amount of power needed to satisfy … Read more
When driving, it’s always important to pay attention to the signals your car is sending you. Many of these can be seen as glowing little symbols on the dashboard. But what should you do if the battery warning light comes … Read more
A car immobilizer system is a common anti-theft feature in most vehicles produced in the past 20 years or so. When it works like it’s supposed to, it greatly reduces the chances of your car getting stolen. When problems arise … Read more
The ground strap is the heavy black wire which connects to the car battery’s negative terminal to the chassis of the car. Some other names for the strap include: negative battery cable, ground wire, or ground cable. The ground strap … Read more
Tail lights are a very important safety feature on every car. They are necessary when driving at night, twilight hours, or in bad weather like rain and snow. The purpose of your tail lights are to illuminate the rear of … Read more