Citroen C1 - Inaccurate fuel gauge | HELLA

Citroen

C1

Model year: 2005–2011

Inaccurate fuel gauge

If it is reported that the fuel gauge is showing incorrect or inaccurate values on these vehicles, a contact problem on the fuel level sensor may be the potential cause.

Proceed as follows to localize the error:

- Check the electrical connections or contact/transfer resistance on the fuel level sensor.

- Remove the fuel level sensor.

- Measure the resistance values at the sensor:

- Maximum position: 12Ω - 18Ω

- Minimum position: 405Ω - 415Ω

An impermissible resistance value distorts the data for evaluating the correct displayed value. The fuel level sensor has to be replaced if these values do not match.

An actuator test should be carried out to check the fuel gauge in the instrument cluster. This requires that a resistance decade box with ohm values between 12/18Ω and 405/415 Ω be used in place of the sending unit.

If the actuator and the fuel gauge are operating correctly, this also indicates a defect in the fuel tank sensor.

Important safety notice
The following technical information and tips for practical use have been set up by HELLA in order to offer professional support to automotive workshops in their daily work. The information available here on this website is only to be used by appropriately trained specialist staff.

The reprinting, distribution, reproduction, exploitation in any form and disclosure of the contents of this document, even in part, is prohibited without our express written approval and indication of the source. The schematic illustrations, figures and descriptions are for explanation and presentation of the document text and cannot be used as a basis for installation or design. All rights reserved.

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