Having problems with your 2000 Mercury Cougar ?
Engine light on - 2000 Mercury Cougar
Your inquiry only says "engine light on". That's not much to go on. All I can suggest is to have the engine scanned for trouble codes in order to find out what the check engine light is for. Then we can try to make a diagnosis based on the trouble codes.
Repair Help & Product Troubleshooting for 2000 Mercury Cougar
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