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how to fix the EGR valve on a Ford F-150 13th Generation (2015-2020) - Ford F-150
Home/Cars/Ford/F-150/13th Generation (2015-2020)/how to fix the EGR valve on a Ford F-150 13th Generation (2015-2020)

how to fix the EGR valve on a Ford F-150 13th Generation (2015-2020)

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

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Error Code: P0401, P0402
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
505 words

Problem Statement

Learn how to diagnose and fix EGR valve issues on Ford F-150 (2015-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Error Code
P0401, P0402
Affected Component
Exhaust System
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect the battery before working on electrical systems
  • •Allow the engine to cool before opening any components

Symptoms

  • •Check engine light illuminated
  • •Rough idle or stalling
  • •Decreased fuel economy
  • •Increased emissions during testing
  • •Unusual engine noises (knocking or pinging)

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
  • •Torque wrench
  • •Gasket scraper
  • •Soft brush

Parts Required

  • •New EGR valve
  • •New gasket

Additional Information

Error Code
P0401, P0402
Affected Component
Exhaust System
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
6 items
Parts Required
2 items

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Solution
1. Preparation
  • Gather tools and parts needed for the repair.
  • Disconnect the vehicle’s battery to ensure safety.
  • Allow the engine to cool down completely before beginning work.
2. Remove the EGR Valve
  • Tools Required: Socket set, ratchet, torque wrench, gasket scraper.
  • Locate the EGR valve on the engine, typically mounted on or near the intake manifold.
  • Disconnect the electrical connector from the EGR valve.
  • Remove any hoses connected to the EGR valve.
  • Unbolt the EGR valve using the socket set. Keep track of the bolts for reinstallation.
3. Inspect and Clean
  • Use a gasket scraper to remove old gasket material from the mounting surface.
  • Clean the EGR valve and the connecting passages using an appropriate EGR cleaner and a soft brush to remove carbon buildup.
  • Inspect the valve diaphragm for tears or damage; replace if necessary.
4. Install New EGR Valve
  • Place a new gasket on the mounting surface.
  • Align the EGR valve with the mounting holes and secure it with bolts. Torque the bolts to the manufacturer's specifications (typically around 18-24 lb-ft, but verify with service manual).
  • Reconnect hoses and the electrical connector to the EGR valve.
5. Final Checks
  • Reconnect the battery.
  • Start the engine and allow it to reach operating temperature. Check for any leaks around the EGR valve.