why does my Honda Civic 9th Generation (2012-2015) lose power when accelerating?

Solution

1. Preparation

• Gather tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the negative terminal of the battery.

2. Replace Air Filter

• Remove the air intake duct using a socket set.
• Take out the old air filter and inspect the air filter housing.
• Install a new air filter, ensuring it fits snugly.
• Reattach the air intake duct securely.

3. Check and Clean Throttle Body

• Remove the throttle body from the intake manifold by unscrewing the mounting bolts.
• Use throttle body cleaner and a soft cloth to clean the inside of the throttle body.
• Reinstall the throttle body and torque the bolts to manufacturer specifications (approximately 16 lb-ft).
• Reconnect any electrical connectors and hoses.

4. Inspect and Replace Spark Plugs

• Remove the ignition coil cover if equipped with one.
• Disconnect the ignition coils from the spark plugs.
• Use a spark plug socket to remove the old spark plugs.
• Install new spark plugs, ensuring they are gapped correctly (typically 0.044 inches for Honda).
• Reconnect the ignition coils and cover.

5. Fuel System Check

• Attach a fuel pressure gauge to the fuel rail's test port.
• Turn the ignition to the "ON" position without starting the engine to check the fuel pressure.
• If the pressure is low, consider replacing the fuel pump or fuel filter as needed.