So, your check engine light is on…what should you do? Well, there’s no need to panic but you should find out why it came on, as soon as possible. Bring it into any LaFontaine Service Center to take advantage of our Free Check Engine Light Code Retrieval Service. Most places will charge up to $150 for this service, but at LaFontaine, it’s absolutely free! No appointment necessary, stop by today!


Why you shouldn’t ignore your check engine light


If Your Check Engine Light Is On

It could be several issues, be sure to take it to a LaFontaine Service Center soon.

Possible reasons that your check engine light is on:

  • Oxygen sensor needs to be replaced
  • Faulty catalytic  converter
  • Replacing mass airflow sensor
  • Lose or missing gas cap
  • Spark plug



If Your Check Engine Light Is Flashing Or Blinking

There is a serious problem and we recommend that you pull over your vehicle to a safe area, turn the engine off and have the vehicle towed to your nearest LaFontaine Service Center.

Possible reasons that your check engine light is flashing or blinking:

  • Ignition system defect
    • Distributor cap
    • Ignition coils
  • Fuel system defect
    • Fuel injectors
  • Internal engine defect
    • Cylinder head
    • Pistons
    • Rings
    • Belts

Contact Us at: (248)-669-2010

Contact Service

  • This field is for validation purposes and should be left unchanged.
Saved Vehicles


You don't have any saved vehicles!

Look for this link on your favorites:


Once you've saved some vehicles, you can view them here at any time.

Contact Us


Call Now

1111 South Commerce Road • Walled Lake, MI 48390

Get Directions

Today's Hours:

Open Today! Sales: 10am-4pm

Open Today! Service: 8am-2pm

LaFontaine CDJR Walled Lake 42.542373, -83.478710.