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

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

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

Error Codes
1-3 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
539 words

Problem Statement

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

Affected Component
Fuel System
Estimated Time
1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems.
  • •Allow the vehicle to cool down if the engine has been running before working on any components.

Symptoms

  • •Fuel gauge needle remains at empty despite fuel in the tank
  • •Check Gauge warning light illuminated on the dashboard
  • •Inconsistent fuel level readings during driving
  • •Fuel warning light activates prematurely
  • •Possible erratic behavior of the gauge when turning or accelerating

Diagnostic Steps

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

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
  • •Multimeter
  • •Socket set
  • •Torque wrench
  • •Safety glasses
  • •Fuel line disconnect tool

Parts Required

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

Additional Information

Affected Component
Fuel System
Estimated Time
1-3 hours
Difficulty
medium
Severity
medium
Tools Required
6 items
Parts Required
2 items

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Solution
1. Preparation
  • Tools Required:

    • OBD-II scanner
    • Multimeter
    • Socket set
    • Torque wrench
    • Safety glasses
    • Fuel line disconnect tool (if applicable)
  • Ensure the vehicle is parked on a level surface, and the engine is off. Disconnect the negative battery terminal to prevent electrical shocks.

2. Inspect Fuses
  • Locate the fuse box (usually under the dashboard or hood).
  • Identify the fuse for the instrument panel or fuel gauge using the fuse diagram.
  • Check the fuse for continuity, replacing it if blown.
3. Test Fuel Sender Unit
  • Access the fuel sender unit by removing the rear seat or access panel in the bed (depending on the configuration).
  • Disconnect the wiring harness from the fuel sender unit.
  • Use a multimeter to measure the resistance across the sender terminals; it should change smoothly as the float moves (typically 0 to 90 ohms).
  • If resistance is not within range, replace the fuel sender unit.
4. Reinstall and Connect
  • If the fuel sender unit is replaced, install it back into the fuel tank and secure it properly.
  • Reconnect the wiring harness ensuring a secure connection.
  • Reinstall any access panels or seats that were removed.
5. Reconnect Battery and Test
  • Reconnect the negative battery terminal.
  • Start the vehicle and observe the fuel gauge operation.
  • Verify that the gauge accurately reflects the fuel level.