why is my Honda Accord 10th Generation (2018-2022) check engine light on

• •Check engine light illuminated
• •Rough idle or engine misfire
• •Decreased fuel efficiency
• •Unusual odor from the exhaust
• •Engine stalling or hesitation during acceleration
• •Increased emissions or failed emissions test

1. 1Scan for error codes using an OBD-II scanner to identify specific issues.
2. 2Check the gas cap for proper sealing and any signs of damage or wear.
3. 3Inspect air intake and vacuum lines for leaks or disconnections.
4. 4Examine the engine oil level and condition; look for any significant contamination.
5. 5Test the battery voltage and connections to ensure proper electrical supply.
6. 6Review the vehicle’s recent maintenance history for any changes that could affect engine performance.

After completing the repair, verify that the issue has been resolved:

• ✓Test the affected component to ensure it functions correctly
• ✓Check for any error codes or warning lights
• ✓Monitor the vehicle for a few days to ensure the issue does not recur

To prevent this issue from occurring again:

• •Follow the manufacturer's recommended maintenance schedule
• •Address warning signs early before they develop into major issues
• •Use quality parts and fluids recommended for your vehicle
• •Keep detailed records of all repairs and maintenance

• •OBD-II scanner
• •Wrench set
• •Smoke machine (optional)
• •Torque wrench

• •Replacement O2 sensor (if applicable)
• •Replacement gas cap (if necessary)
• •Vacuum hoses (if damaged)