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why does my Ford F-150 13th Generation (2015-2020) engine light come on after filling gas - Ford F-150
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why does my Ford F-150 13th Generation (2015-2020) engine light come on after filling gas

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

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

Problem Statement

Learn why the engine light comes on after refueling your Ford F-150 (2015-2020) and how to diagnose and fix the issue with step-by-step instructions.

Affected Component
Fuel System
Estimated Time
1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Ensure the fuel system is cool and no open flames are nearby.
  • •Wear safety glasses to protect from fuel spray.
  • •Ensure the vehicle is off and the battery is disconnected.
  • •Disconnect battery before working on electrical systems.
  • •Allow engine to cool before opening fuel system components.

Symptoms

  • •Check engine light illuminated
  • •Fuel odor around the vehicle
  • •Poor fuel economy
  • •Difficulty starting the engine
  • •Engine misfires or rough idle
  • •Evaporative emissions system warning on display

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
  • •Multimeter
  • •Pliers
  • •Screwdriver
  • •Vacuum pump

Parts Required

  • •Fuel filler cap
  • •EVAP canister
  • •Purge/vent valves

Additional Information

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

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and the engine is off.
  • Disconnect the battery to prevent electrical shorts.
2. Inspect and Replace Fuel Filler Cap
  • Sub-steps:
    • Remove the fuel filler cap and inspect for damage.
    • Clean the sealing surface on the filler neck.
    • If damaged, replace the fuel filler cap with a new one.
  • Tools Required: None
  • Safety Warnings: Ensure the fuel system is cool and no open flames are nearby.
3. Check EVAP System Components
  • Sub-steps:
    • Visually inspect the EVAP canister and hoses for cracks or disconnections.
    • Replace any damaged hoses or the canister if necessary.
  • Tools Required: Pliers, screwdriver
  • Safety Warnings: Wear safety glasses to protect from fuel spray.
4. Test and Replace Purge and Vent Valves
  • Sub-steps:
    • Locate the purge valve and vent valve on the EVAP system.
    • Test the operation with a multimeter or by applying vacuum to check for functionality.
    • Replace any valves that do not function properly.
  • Tools Required: Multimeter, vacuum pump
  • Safety Warnings: Ensure the vehicle is off and the battery is disconnected.
5. Clear Error Codes
  • Sub-steps:
    • Reconnect the battery after completing repairs.
    • Use an OBD-II scanner to clear any stored trouble codes.
  • Tools Required: OBD-II scanner
  • Safety Warnings: Ensure the vehicle is stable and secure during work.