Fuel level sensor fault
Measures fuel level and sends it to the engine control unit.
Costs
Every car issue can be caused by different things. Here are the most common ones
max.
Potential Causes
- Spare parts
- Work time
max.
Potential Causes
- Spare parts
- Work time
max.
Potential Causes
- Spare parts
- Work time
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Discussions
User of our Carly Community asked the following questions regarding that fault:
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Details
Probability
Based on the values and symptoms you have entered, a crude estimation of the probability of this problem can be made
HIGH
Typical consequences
If this defect is detected, it may lead to the following problems:
- Malfunction of the vehicle electronics
- Failure of the general inspection (may not apply in your country)
Function of fuel level sensor
For a correct fuel level indication in the speedometer, a fuel level sensor/tank sender is installed in the fuel tank. Today's vehicles use a plastic float and a measuring unit. If the fuel level in the tank changes, the plastic float moves up or down accordingly.
This float is connected to a conductor track of the measuring electronics. Changes in the float level affect the resistance value on the conductor track. When the resistance value drops, the fuel gauge in the speedometer also drops, informing the driver of the current fuel level.