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2011
honda civic5 views

Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2011 honda civic Rough Idle or Engine Misfire. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

1
medium$150-$300
Replace faulty ignition coils to resolve engine misfire and rough idle issues.
Source: https://repairpal.com/honda/civic/2011/rough-idle

Repair Steps:

  1. Identify the faulty ignition coil using a diagnostic tool
  2. Disconnect the battery to ensure safety
  3. Remove the engine cover to access the ignition coils
  4. Disconnect the electrical connector from the faulty coil
  5. Unscrew and remove the faulty ignition coil
  6. Install the new ignition coil and reconnect the electrical connector
  7. Reattach the engine cover and reconnect the battery
2
easy$60-$120
Replace worn spark plugs to improve engine performance and eliminate misfires.
Source: https://www.justanswer.com/honda/ad5d2-2011-honda-civic-lx-check-engine-light.html

Repair Steps:

  1. Disconnect the battery
  2. Remove the engine cover to access the spark plugs
  3. Use a spark plug socket to remove the old spark plugs
  4. Check the gap on the new spark plugs
  5. Install the new spark plugs using the spark plug socket
  6. Reattach the engine cover and reconnect the battery
3
easy$10-$20
Clean the mass airflow sensor to resolve rough idle and improve fuel efficiency.
Source: https://www.youtube.com/watch?v=a9K-E2a1BRw

Repair Steps:

  1. Disconnect the battery
  2. Locate the mass airflow sensor near the air filter housing
  3. Disconnect the electrical connector from the sensor
  4. Remove the sensor from the housing
  5. Spray mass airflow sensor cleaner onto the sensor wires
  6. Allow the sensor to dry completely
  7. Reinstall the sensor and reconnect the electrical connector
  8. Reconnect the battery
4
medium$50-$150
Inspect and repair vacuum leaks to stabilize idle and improve engine performance.
Source: https://www.youtube.com/watch?v=SFeP4jpJox0

Repair Steps:

  1. Use a smoke machine or carburetor cleaner to detect vacuum leaks
  2. Identify the location of any leaks in hoses or connections
  3. Replace or repair the damaged hoses or connections
  4. Test the engine to ensure the idle is stable
5
medium$20-$50
Clean the throttle body to address idle surge and rough idle conditions.
Source: https://www.youtube.com/watch?v=SFeP4jpJox0

Repair Steps:

  1. Disconnect the battery
  2. Remove the air intake hose to access the throttle body
  3. Spray throttle body cleaner onto a cloth and wipe the throttle body interior
  4. Use a brush to scrub any carbon buildup
  5. Reattach the air intake hose and reconnect the battery

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