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For many people to find that measurements made with different instruments can give results that differ by tens of percent is very strange. Is this a result of the abysmal accuracy of the instrument? This can also be the case, but the fundamental problem is the method of measurement. In the following text, we will…

The function of the alternator is to produce electricity in an internal combustion powered car. It is the main source of power – the battery has only an auxiliary function, enabling starting and powering the installation when the engine is not running. As soon as the engine starts running, the alternator powers all the vehicle’s…

Choosing a used car is a complicated issue, involving both personal preferences, financial possibilities, the technical condition of the vehicle and even legal issues. In the following article we will look at the topic of checking the condition of a diesel vehicle. From issues we can pay attention to without additional resources to methods and…

Diagnostic Trouble Codes (DTCs) are a code system defined concurrently by SAE J2012 and ISO 15031 standards for use in vehicle diagnostics. A code defined in this way conveys information about which vehicle components are associated with the fault and the nature of the fault. We can read the codes through the mandatory OBD II…

Wheel speed sensors are an important component necessary for systems such as ABS and ESP. Sensor data is also important for chassis control systems, hill start assistants and other similar systems. The task of the sensors is to provide information about the current speed of each wheel separately. In its simplest variant, the ABS controller…

The throttle is the key element through which the driver controls the gasoline engine. It is a type of butterfly valve that regulates the air supply to the engine. In the classic system, a cable connects the accelerator (accelerator) pedal to the throttle. Adding gas leads to the opening of the throttle, which causes air…

What is battery diagnostics A working battery is required to ensure that the engine starts reliably in all conditions. This is obvious, but not every service technician routinely checks the condition of the battery. Most often, battery diagnostics are carried out only when the battery refuses to cooperate. Classic measurement of electrolyte density Testing the…

Regeneration of turbochargers in practice Today, the turbocharger has become a common part of powertrains, allowing it to accomplish several important purposes. The addition of a turbine allowed downsizing, i.e. making more power with the same displacement. At the same time, improving the engine’s torque characteristics. An engine equipped with a turbocharger has higher efficiency…