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!

Why You Shouldn't Ignore Your Check Engine Light

Check Engine Icon - 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
  • Loose or missing gas cap
  • Spark plug
Check Engine Icon - Blinking Light

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
Check Engine Icon - Piston
Check Engine Icon - Spark
Check Engine Icon - Light
Check Engine Icon - Belts
Check Engine Icon - Filter

Get Directions To Our Dealership

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4000 Highland Rd, Highland Charter Township, MI, 48357
Lafontaine Cadillac 42.63747, -83.66938.