Check Engine Light After Service? Here's What You Need to Do
If your check engine light appears after a service, stay calm and follow these steps to diagnose and resolve the issue effectively.
Common Causes of Check Engine Light After Service:
- Faulty ignition coil
- Causes engine shaking and misfiring
- Results in unexpected power loss
- Spark plug problems
- Reduces vehicle performance
- Decreases fuel economy
- Loose fuel cap
- Easy to check and fix
- May need replacement if damaged
- Vacuum leak
- Causes high RPM or rough idle
- Requires immediate attention
- Catalytic converter failure
- Creates sluggish engine performance
- Produces dark exhaust smoke
- Broken exhaust gas recirculation valve
- Affects fuel efficiency
- May only need cleaning
- Mass airflow sensor failure
- Causes starting problems
- Monitors engine air intake
Check engine light after car service
What to Do When the Light Appears:
- Wait 50-100 miles or 20 driving cycles
- Computer needs time to reset
- Allows system to recheck sensors
- Use an OBD2 scanner
- Connect to car's computer
- Read diagnostic trouble codes
- Available at auto parts stores
- Visit a certified mechanic
- Ensures proper diagnosis
- Maintains warranty coverage
Car dashboard warning lights illuminated
Important Tips:
- Always use certified mechanics to maintain warranty coverage
- Consider roadside assistance if driving seems unsafe
- Keep maintenance records for warranty claims
- Regular maintenance helps prevent unexpected issues
Man in black hoodie smiling headshot
Remember to address check engine lights promptly to prevent more serious issues and maintain your vehicle's performance and safety.
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