Why is there a discrepancy in the fuel report?
Issue Title
- Fuel report discrepancy
Issue Summary
A discrepancy in the fuel report may occur when the fuel sensor/device sends inaccurate or incomplete readings, fuel-related data is delayed or missing, or the system's fuel configuration and calculation settings are incorrect. Differences may also occur between the actual fuel level and the value reported by the system.
Symptoms / How to Identify
- Fuel level shown in the report does not match the actual fuel level.
- Fuel consumption is higher or lower than expected.
- Fuel filling or draining events are missing or incorrectly detected.
- Fuel level fluctuates unexpectedly while the vehicle is stationary.
- Fuel values differ between the fuel report, dashboard, and raw data.
- Fuel consumption or refueling values appear unrealistic.
- Fuel data is missing for a specific time period.
Information Required Before Troubleshooting
- Vehicle/Object name or ID
- Device IMEI/Serial Number
- Fuel sensor/device type
- Report name
- Date and time range
- Fuel value shown in the report
- Actual/expected fuel level or consumption
- Fuel sensor readings, if available
- Relevant Status/Raw Data
- Fuel sensor configuration and calibration details
- Fuel thresholds configured in the system
- Screenshot or exported report
- Whether the issue affects one vehicle or multiple vehicles
Troubleshooting Steps
Check on Device
- Verify that the fuel sensor/device is powered and functioning correctly.
- Check the fuel level value being generated by the device.
- Verify whether the fuel value changes correctly when fuel is added or consumed.
- Check for sudden or unrealistic fuel-level fluctuations.
- Verify the fuel sensor wiring and connection, if applicable.
- Check whether the device is transmitting fuel data at the expected interval.
- Verify sensor calibration and device configuration.
- Check for missing, delayed, or duplicate fuel data.
Check in System
- Verify the report's date, time range, vehicle, and filters.
- Open Status/Raw Data and check the fuel values received from the device.
- Compare raw fuel values with the values shown in the report.
- Check the fuel sensor configuration and calibration settings in the system.
- Verify configured fuel thresholds for refueling and fuel draining, if applicable.
- Check whether fuel data is available in other reports or system modules.
- Compare fuel level before and after the reported refueling or draining event.
- Verify whether timezone or date/time settings are affecting the report.
- Check whether other vehicles using the same fuel sensor/device configuration have similar discrepancies.
Compare and Identify
- Device sends incorrect fuel values: Investigate the fuel sensor, wiring, calibration, or device.
- Device sends correct fuel values but system shows incorrect values: Investigate system configuration or fuel calculation.
- Fuel level is correct but refueling/draining events are incorrect: Check configured thresholds and event rules.
- Fuel data is missing or delayed: Investigate device transmission and network connectivity.
- Only the report differs while raw data is correct: Investigate report calculation or processing.
Possible Causes
- Fuel sensor malfunction.
- Incorrect sensor calibration.
- Incorrect fuel sensor wiring.
- Incorrect device configuration.
- Incorrect fuel parameter mapping.
- Missing or delayed fuel data.
- Fuel-level fluctuations or sensor noise.
- Incorrect refueling/draining thresholds.
- Incorrect fuel calculation method.
- Incorrect report filters or date/time range.
- Device firmware/protocol issue.
- System-side fuel calculation or processing issue.
Resolution / Action
Compare the actual fuel level, device fuel reading, system raw data, and report values for the same vehicle and time period.
If the device or sensor is providing incorrect readings, investigate the sensor, wiring, calibration, and device configuration. If the device sends correct fuel data but the report calculates or displays incorrect values, verify the system configuration and escalate to the technical/system team if required.
For escalation, provide the vehicle ID, IMEI, sensor details, report name, date/time range, expected and reported fuel values, calibration/configuration details, and relevant raw data.