Information - Fuel gauge

The fuel level sensor is used to measure the level and the amount of diesel fuel and gasoline in the tanks of cars, buses and other vehicles. Fuel level sensor is placed directly into the fuel tank and connected to the navigation terminal, which registers the fuel level readings.

Today, there are a lot of sensors - from float (the most popular) to ultrasound. They differ from each other by concept of action, structure and type of output. There are three types of sensor outputs: analog, digital and frequency output. Basically, the nominal float fuel level sensors at the exit have an analog signal. It involves the encoding of values of the level by values of some physical quantity, usually voltage or current. Versatility and simplicity are the main advantages of the analog output signal.

Frequency output is something transitional between the transmission of analog and digital signals. The output value is encrypted with the frequency of impulses. The main advantage of this method is no error of the meter. But the versatility of the output signal remains unchanged. Digital sensors are the latest generation of meters. They are significantly different from their predecessors due to very high precision measurement and interference immunity. Therefore, they are a bit more expensive and very popular among drivers.

The ultrasonic transducer consists of an electronic device and an ultrasonic sensor that is installed on the bottom of the tank. The liquid level is measured by generating an ultrasonic impulse from the device directly to the sensor. The impulse is spread to the upper liquid layer, is reflected, and again sent through the liquid back to the sensor.

The liquid level is determined by the time of passage of the impulse.

If you want to control the fuel level in your car, we recommend you to purchase in our store a fuel level sensor at the best price from the manufacturer. We will deliver your order as soon as possible and to any convenient location. Apart from fuel sensor, you can also buy oil temperature sensor, oxygen sensor, throttle position sensor, as well as oxygen sensor.

What you need to know about fuel level sensor replacement: lifetime limits, common defects and their signs, tips and recommendations

Fuel level sensor requires replacement if it works incorrectly. This component has no certain lifetime limit.

A need to replace the fuel level sensor can be caused by heavy contacts oxidation, loss of hermeticity of the float, resistor breakdown. Incorrect readings of the fuel level gauge often show that the component needs replacement.

The component diagnostics is performed at a service station. Particularly, specialists will measure resistance of the sensor and compare it to standard values. But the procedure of checking the fuel level sender depends on the car model mostly.

Sensor replacement should be also entrusted to specialists of a service station. The algorithm of works can vary according to the car model. Specialists will demount the broken device and install a new fuel tank sender unit.

Replacement of the sensor only is impossible on certain car models. In such case specialists will install a new fuel module.

Fuel level sensor gasoline and diesel at low cost: Top Spares

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