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2017
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Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2017 honda civic Rough Idle or Engine Misfire. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

1
easy$50-$100
Replace faulty spark plugs with OEM parts to resolve misfire issues.
Source: https://repairpal.com/honda/civic/2017/rough-idle

Repair Steps:

  1. Purchase OEM spark plugs for the 2017 Honda Civic.
  2. Remove the engine cover to access the spark plugs.
  3. Disconnect the ignition coil connectors and remove the ignition coils.
  4. Unscrew the old spark plugs using a spark plug socket.
  5. Install new spark plugs and torque them to the manufacturer's specifications.
  6. Reinstall the ignition coils and engine cover.
2
medium$100-$200
Inspect and replace defective ignition coils to eliminate misfire conditions.
Source: https://www.youtube.com/watch?v=nZdA9YdPYJc

Repair Steps:

  1. Identify the cylinder with the misfire using a diagnostic scanner.
  2. Remove the ignition coil from the affected cylinder.
  3. Inspect the coil for any visible damage or wear.
  4. Replace the faulty ignition coil with a new one.
  5. Reconnect the ignition coil connector and test the engine for misfires.
3
medium$50-$150
Check for and repair any vacuum leaks that may be causing rough idle.
Source: https://repairpal.com/honda/civic/2017/rough-idle

Repair Steps:

  1. Visually inspect vacuum hoses and connections for cracks or disconnections.
  2. Use a smoke machine to detect leaks in the vacuum system.
  3. Repair or replace any damaged hoses or gaskets.
  4. Recheck the system to ensure all leaks are sealed.
  5. Test the engine to confirm the idle is smooth.
4
hard$300-$600
Replace the fuel pump module if experiencing stalling or misfire due to fuel delivery issues.
Source: https://static.nhtsa.gov/odi/tsbs/2023/MC-10230496-0001.pdf

Repair Steps:

  1. Verify the recall status for the fuel pump and schedule a dealer appointment if applicable.
  2. If not covered by recall, purchase a replacement fuel pump module.
  3. Relieve fuel system pressure and disconnect the battery.
  4. Remove the rear seat to access the fuel pump assembly.
  5. Disconnect fuel lines and electrical connectors from the pump.
  6. Replace the old fuel pump module with the new one.
  7. Reassemble and test the vehicle for proper operation.

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