my Ford F-150 13th Generation (2015-2020) has a popping sound from the engine

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle's battery to prevent electrical shock.
• Ensure the vehicle is on a flat surface and use wheel chocks for safety.

2. Inspect Ignition System

• Tools Required: Socket set, torque wrench, spark plug socket.
• Remove the engine cover (if applicable) to access spark plugs and ignition coils.
• Check each spark plug for wear, damage, or carbon buildup; replace if necessary.
• Inspect ignition coils for cracks or damage; replace any faulty coils.
• Reinstall spark plugs and torque them to manufacturer specifications.

3. Check for Vacuum Leaks

• Tools Required: Smoke machine or carburetor cleaner (for leak detection).
• With the engine running, use a smoke machine to introduce smoke around the intake manifold and hoses.
• Alternatively, spray carburetor cleaner along the hoses and intake; listen for RPM changes indicating a leak.
• Repair or replace any damaged hoses or seals found during inspection.

4. Inspect Exhaust System

• Tools Required: Jack and jack stands, socket set.
• Raise the vehicle using a jack and secure it with jack stands.
• Inspect the exhaust system for any visible cracks or holes, particularly at the manifold and joints.
• Tighten any loose connections and replace any damaged exhaust components.

5. Perform Compression Test

• Tools Required: Compression tester.
• Remove the spark plugs again for easier access.
• Insert the compression tester into each cylinder and crank the engine to take readings.
• Compare the readings to manufacturer specifications; replace any cylinders with low compression.

6. Final Assembly

• Reinstall the spark plugs and engine cover.
• Reconnect the vehicle's battery.
• Start the engine to ensure all repairs have been completed and the popping sound is resolved.