how to replace the ignition coil on Ford F-150 13th Generation (2015-2020)

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

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

551 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Step-by-step guide to replacing the ignition coil on Ford F-150 13th Generation (2015-2020). Learn symptoms, diagnostic steps, and safety tips.

Affected Component

Engine

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to avoid short circuits.
•Allow the engine to cool completely before starting the replacement process.

Symptoms

•Check engine light illuminated
•Engine misfires or rough running
•Difficulty starting the vehicle
•Decreased fuel efficiency
•Increased emissions

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify if the ignition coil is the issue.
2
Inspect the ignition coil visually for signs of damage or corrosion.
3
Check the resistance of the ignition coil with a multimeter to see if it falls within specifications.
4
Inspect the spark plugs for wear or fouling, as these can affect ignition performance.
5
Verify that all wiring and connectors to the ignition coil are secure and undamaged.

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

•Socket set
•Ratchet
•Torque wrench
•Multimeter
•Ignition coil puller (if needed)
•Safety glasses

Parts Required

•New ignition coil(s)
•New spark plugs (if needed)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify if the ignition coil is the issue.
2
Inspect the ignition coil visually for signs of damage or corrosion.
3
Check the resistance of the ignition coil with a multimeter to see if it falls within specifications.
4
Inspect the spark plugs for wear or fouling, as these can affect ignition performance.
5
Verify that all wiring and connectors to the ignition coil are secure and undamaged.

Solution

1. Preparation

Tools Required: Socket set, ratchet, torque wrench, multimeter, ignition coil puller (if needed), safety glasses.
Ensure the vehicle is parked on a level surface with the engine off and cool.
Disconnect the negative battery terminal to prevent electrical shock.

2. Remove Engine Cover (if applicable)

Locate and remove any bolts or screws securing the engine cover (if present).
Gently lift the engine cover off and set it aside.

3. Access Ignition Coil

Locate the ignition coils on the engine; typically found on top of the engine near the spark plugs.
Remove any components or covers obstructing access to the ignition coils, such as air intake ducts.

4. Disconnect Ignition Coil

Carefully disconnect the electrical connector by pressing the tab and pulling it off the ignition coil.
Remove the bolt(s) securing the ignition coil using a socket.

5. Remove and Replace Ignition Coil

Gently pull the ignition coil out of the spark plug well. If it’s stuck, use an ignition coil puller if available.
Insert the new ignition coil into the spark plug well, ensuring it seats properly.
Reinstall the securing bolt(s) to the specified torque (usually around 10-15 ft-lbs).

6. Reconnect Electrical Connector

Attach the electrical connector to the new ignition coil until it clicks into place.

7. Reassemble Engine Components

Reinstall any components or covers that were removed to access the ignition coils.
Replace the engine cover if applicable and secure it with bolts or screws.

8. Reconnect Battery

Reconnect the negative battery terminal and ensure it is secured.