Common Symptoms
- Fuel gauge reading inaccurate or erratic
- Fuel gauge stuck at empty or full
- Check Engine Light illuminated
- Fuel level warning light not functioning properly
- Distance to empty display shows incorrect range
Most Likely Root Causes
- Faulty fuel level sensor or sender unit
- Wiring harness damage or corrosion at fuel tank
- Poor electrical connection at instrument cluster
- Failed instrument cluster fuel gauge circuit
- Damaged fuel pump module connector
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Component Location
The fuel level sender is typically mounted inside the fuel tank, often integrated with the fuel pump module assembly.
Manufacturer Notes
Some manufacturers use body control module processing for fuel level signals before transmission to the instrument cluster.
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