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how to fix the fuel gauge not working in my Ford F-150 13th Generation (2015-2020) - Ford F-150
Home/Cars/Ford/F-150/13th Generation (2015-2020)/how to fix the fuel gauge not working in my Ford F-150 13th Generation (2015-2020)

how to fix the fuel gauge not working in my Ford F-150 13th Generation (2015-2020)

Ford F-150 13th Generation (2015-2020)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
523 words

Problem Statement

Learn how to diagnose and fix the fuel gauge issue in your Ford F-150 (2015-2020). Step-by-step guide with diagnostic steps and repair instructions.

Affected Component
Fuel System
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems
  • •Take precautions to avoid fuel spills when accessing the fuel tank

Symptoms

  • •Fuel gauge reading remains at empty despite a full tank
  • •Intermittent fuel gauge fluctuations while driving
  • •"Check Fuel Cap" warning light illuminated
  • •Fuel warning light activates without explanation
  • •Inability to reset the trip odometer related to fuel usage

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •OBD-II scanner
  • •Socket set
  • •Ratchet
  • •Screwdriver
  • •Multimeter

Parts Required

  • •Fuel sender unit (if faulty)
  • •Fuse (if blown)

Additional Information

Affected Component
Fuel System
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
5 items
Parts Required
2 items

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Disconnect the negative battery terminal to prevent electrical shorts.
  • Ensure that the vehicle is on a flat surface and the ignition is off.
2. Access the Fuel Sender Unit
  • Tools Required: Socket set, ratchet, and screwdriver.
  • Remove the rear seat or access panel in the cab, if applicable, to reach the fuel pump access cover.
  • Unscrew the access cover and carefully lift it to expose the fuel sender unit.
3. Inspect the Fuel Sender Unit
  • Disconnect the electrical connector from the fuel sender.
  • Remove the fuel sender unit from the tank by unscrewing it or releasing its locking mechanism.
  • Inspect the float arm for any obstructions or damage.
  • If the float is stuck or damaged, replace the fuel sender unit.
4. Test the Wiring and Connections
  • Use a multimeter to check for continuity in the wiring from the fuel sender to the instrument cluster.
  • Repair or replace any damaged wires or connectors as needed.
  • Reconnect the fuel sender to its electrical connector.
5. Reassemble and Test
  • Reinstall the fuel sender unit back into the tank, securing it according to manufacturer specifications.
  • Replace the access cover and reinstall the rear seat or panel.
  • Reconnect the negative battery terminal.
  • Start the vehicle and monitor the fuel gauge for proper operation.