top of page
In-car sensors are electronic devices that measure and monitor various parameters in the car. These sensors provide data to the car's control unit, which then makes decisions to optimally steer and control the car. There are many different types of sensors in cars that monitor the following areas:
​
  1. Engine Management Sensors: Monitor engine health and performance. They measure parameters such as engine speed, air and fuel ratio, temperature and pressure.
  2. Vehicle Speed Sensors: Measures the speed of the car and helps control the ABS system and cruise control.
  3. exhaust emissions
  4. Brake sensors: Monitor braking and help control the ABS system.
  5. Tire Pressure Sensors: Monitor tire pressure and warn the driver if the pressure is too low.
  6. Collision Sensors: Monitor the car's surroundings and help avoid collisions with automatic braking or warning signals.
  7. Light sensors: Monitor the brightness of the environment and control the car's lights.
​
​
These sensors play an important role in monitoring and controlling various systems in the car, contributing to a safe and efficient driving experience. 
 
Theintake air temperature sensoris a component in an internal combustion engine that measures the temperature of the air entering the engine. The information provided by the sensor is used by the engine controller to optimize the fuel-air mixing process in the engine.
If the intake air temperature sensor is faulty or providing incorrect information, it can result in an inaccurate fuel-air mixture, which in turn can lead to poorer engine performance and increased fuel consumption. In some cases, a faulty sensor can also result in the engine not starting at all or running erratically during operation.
It is therefore important that the intake air temperature sensor is functioning properly and replaced when necessary to ensure efficient and reliable engine performance.
​
​
ABS sensors(Anti-lock braking system sensors) are generally divided into two types:
  1. Inductive ABS sensors: These sensors measure the speed of the wheel by generating an electromagnetic signal. A coil in the sensor generates a magnetic field that is interrupted by a metal ring on the wheel's rotor. When the wheel's rotor starts to rotate, the magnetic field signal is interrupted by the breaks in the metal ring, telling the sensor that the wheel is moving.
  2. Hall Effect ABS Sensors: These sensors work similarly to inductive sensors, but they use the Hall Effect to generate the signal. The sensor generates a magnetic field and measures how the field is reflected by a special metal ring on the wheel's rotor. The Hall effect occurs when an electric current flows through a material, creating a magnetic field that is perpendicular to the current flow. When the magnetic field is interrupted by the reflective surfaces of the metal ring, the current flow in the sensor changes, creating a signal that tells the computer the wheel is moving.
Both types of sensors are used to measure wheel speed to prevent wheel locking while driving, thereby improving vehicle control and safety.
​
Thecrankshaft position sensoris an electronic component in combustion engines that detects the position of the crankshaft. The crankshaft is one of the most important components of the engine as it converts the movement of the pistons into rotating movement. The crankshaft position sensor is usually mounted near the flywheel or timing belt and detects crankshaft movement by sensing a rotating gear or a mark on the crankshaft. The information collected is then sent to the engine control unit, which controls the injection of fuel and the ignition of the engine accordingly. A faulty crankshaft position sensor can cause erratic idling, poor performance, increased fuel economy, and other problems. 
​
Thecamshaft position sensor(also called "camshaft position sensor") is a sensor in an internal combustion engine that detects the position of the camshaft. The camshaft is a shaft in the engine that opens and closes the valves to let the air-fuel mixture into the cylinders and expel the exhaust gases.
The camshaft position sensor detects the position of the camshaft and sends this information to the engine's control module. The ECU uses this information to control the ignition timing and injection timing for the engine. A faulty camshaft position sensor can cause performance issues, erratic idling, or even engine failure. 
​
TheEngine coolant temperature sensoris a component in a vehicle's engine management system that monitors the temperature of the engine coolant. This sensor sends a signal to the engine control unit, which uses the information to adjust fuel injection and ignition timing for optimal engine performance and fuel efficiency. It can also turn on the engine's cooling system if the engine gets too hot. A faulty engine coolant temperature sensor can cause a variety of problems such as: Poor fuel economy, engine misfires, or even engine damage due to overheating. It is therefore important to replace a defective sensor as soon as possible.
​
Theknock sensoris a sensor used in modern internal combustion engines to detect abnormal vibrations and knocking noises in the engine. The knock sensor is typically attached to the engine block and generates an electrical signal when it detects knock vibrations caused by pre-ignition or detonation. This signal is then sent to the Engine Control Module (ECM), which uses the information to adjust engine timing and prevent engine damage. The knock sensor is an important part of the engine management system and helps improve engine performance, fuel efficiency and emissions.
​
Themass airflow meteris an important part of a car's engine management system as it helps the engine get the right amount of air for optimal combustion. The device measures the mass of air entering the engine through the intake system. There are different types of mass air flow sensors, but most modern cars use either a hot wire or hot film mass air flow sensor. These devices work by heating a wire or film and then measuring how much cooling occurs as air flows past it. The greater the cooling effect, the greater the mass of air that has passed over the wire or foil. A faulty mass air flow sensor can cause a variety of problems with a car's performance, including reduced power, rough idling, and increased fuel economy. It is therefore important to ensure that the mass air flow sensor is working properly and to replace it if it is not.
​
AMAP sensoror Manifold Absolute Pressure Sensor is an electronic sensor used in many internal combustion engines to measure the pressure of the air entering the engine. The sensor is typically mounted in the intake manifold or throttle body and provides the engine control unit (ECU) with information about the amount of air entering the engine. The MAP sensor measures intake manifold absolute pressure, which is the pressure inside the manifold relative to a vacuum. The sensor typically uses a piezoelectric crystal or strain gauge to measure pressure and converts this information into an electrical signal that is sent to the controller. The ECU then uses this information along with data from other sensors to calculate the appropriate fuel and ignition settings for the engine. A faulty MAP sensor can cause a variety of engine problems, including rough idling, poor fuel economy and lack of power. If the sensor fails completely, the engine may not start at all. It is important to replace a faulty MAP sensor as soon as possible to prevent further damage to the engine.
​
Therail pressure sensoris an electronic component used in modern diesel/gasoline engines to monitor fuel rail pressure. The fuel rail is a tube that supplies fuel to the fuel injectors, which then spray the fuel into the engine's combustion chamber. The rail pressure sensor measures the pressure in the fuel rail and sends this information to the engine control unit (ECU) or engine management system. The ECU uses this information to adjust the amount of fuel injected into the engine, which helps optimize engine performance and reduce emissions. If the rail pressure sensor fails or malfunctions, it can cause problems with engine performance, reduced fuel efficiency and increased emissions.
​
Arain sensoris a sensor used to detect the presence of rain. Typically, a rain sensor is used in vehicles to control the windshield wiper. When the sensor detects rain, it sends a signal to the vehicle's ECU, which turns on the wipers. A rain sensor can work in a number of ways, but most use infrared or ultrasonic technology to detect raindrops. An infrared sensor detects rain by measuring the reflected infrared light from raindrops. An ultrasonic sensor detects rain by measuring the sound level generated by raindrops. 
​
Alight sensoris an electronic component used in modern cars to measure the ambient light and automatically adjust the car's lighting. When the ambient light decreases, for example when it gets dark, the light sensor switches on the headlights automatically. If the ambient light increases again, the sensor switches the headlights off again or adjusts their brightness. The car light sensor is usually placed near the dashboard or on the windshield of the car and works with the help of photodiodes or phototransistors that measure the ambient light and adjust the lighting accordingly. This not only improves driver visibility and safety, but also saves energy by eliminating unnecessary glow.
​
Aclimate pressure transduceris a sensor used in a car to measure the pressure in the air conditioning system. This sensor is an important part of the climate system as it provides information about the state of the system that can be used to regulate the air conditioning. If the pressure in the air conditioning system is too high or too low, it can cause the air conditioning system to malfunction. The air conditioning pressure sensor is normally mounted near the air conditioning compressor or dryer to measure the pressure in the air conditioning system and send it to the vehicle's control unit. If the air conditioning pressure sensor is faulty or not working properly, it can cause problems with the air conditioning system, such as insufficient cooling or excessive energy consumption. In this case, the air conditioning pressure sensor must be replaced to ensure the correct functioning of the air conditioning system.
​
Aair quality sensormeasures the quality of the air inside and outside the vehicle. It can record various parameters such as the concentration of carbon monoxide, nitrogen oxides, ozone and particulate matter. The sensor sends the measured values to the vehicle's control unit, which can then take appropriate measures to improve the air quality inside the car. This includes, for example, the automatic closing of the ventilation flaps when an increased concentration of harmful gases is detected.
A car air quality sensor can also help reduce vehicle emissions levels by controlling the car's ECU to adjust engine performance and reduce emissions. The sensor can also be there
It is important to regularly check the health of the air quality sensor to ensure it is working properly. A faulty sensor can lead to a deterioration in air quality in the car and endanger the health of passengers.
bottom of page