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2018
honda civic21 views

Check Engine Light On

Expert diagnosis and repair solutions for 2018 honda civic Check Engine Light On. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

1
easy$10-$20
Replace or tighten the gas cap to resolve the check engine light caused by a loose or missing gas cap.
Source: https://www.autonationhondarenton.com/service/check-engine-light.htm

Repair Steps:

  1. Inspect the gas cap for any visible damage
  2. Ensure the gas cap is tightened properly
  3. Replace the gas cap if it is damaged or missing
2
medium$100-$150
Replace faulty spark plugs to resolve ignition-related issues causing the check engine light.
Source: https://www.penskehondaindy.com/service/service-tips-and-tricks/how-to-reset-honda-check-engine-light/

Repair Steps:

  1. Purchase new spark plugs compatible with the 2018 Honda Civic
  2. Remove the engine cover to access the spark plugs
  3. Use a spark plug socket to remove old spark plugs
  4. Install new spark plugs and ensure they are tightened to the manufacturer's specifications
3
medium$200-$300
Replace the oxygen sensor to address issues with air-fuel mixture that trigger the check engine light.
Source: https://www.nalleyhonda.com/2018-honda-civic-check-engine-light.htm

Repair Steps:

  1. Locate the oxygen sensor on the exhaust manifold
  2. Disconnect the electrical connector from the sensor
  3. Use an oxygen sensor socket to remove the old sensor
  4. Install the new sensor and reconnect the electrical connector
4
easyFree (covered by recall)
Participate in the recall to replace the faulty fuel pump, which can cause engine stalling and illuminate the check engine light.
Source: https://static.nhtsa.gov/odi/rcl/2021/RCRIT-21V215-8834.pdf

Repair Steps:

  1. Contact a Honda dealer to verify if your vehicle is affected by the recall
  2. Schedule an appointment with the dealer for the recall service
  3. Have the dealer replace the fuel pump free of charge

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