how to fix a Honda Civic that won’t stay running?

Solution

1. Preparation

• Gather tools and parts as listed below.
• Disconnect the negative terminal of the battery to prevent electrical shorts.
• Allow the engine to cool before beginning work.

2. Fuel System Inspection

• Check Fuel Pump Operation
  • Locate the fuel pump relay and test it with a multimeter.
  • If faulty, replace the fuel pump relay.
• Inspect Fuel Filter
  • Locate the fuel filter, typically along the fuel line.
  • Replace the fuel filter if it shows signs of clogging or is due for replacement.

3. Air Intake System Check

• Inspect Air Filter
  • Remove the air filter housing cover.
  • Replace the air filter if dirty or clogged.
• Clean Throttle Body
  • Gain access to the throttle body by removing the intake duct.
  • Use throttle body cleaner and a soft cloth to clean the inside of the throttle body.

4. Ignition System Repair

• Check and Replace Spark Plugs
  • Remove spark plugs using a socket and ratchet.
  • Inspect for wear; replace with OEM specifications if necessary.
• Test and Replace Ignition Coils
  • Disconnect the electrical connector from the ignition coils.
  • Use a multimeter to test the resistance; replace any faulty coils.

5. Reassembly and Connection

• Reinstall all components in reverse order of removal.
• Reconnect the negative battery terminal.
• Ensure all connections are secure and tight.