no check engine light. I have yet to see the check engine light come on in fact. (knock on wood). when i was broke down along the road this past summer I had no choice but to get the car towed to the dealer. When I was explaining the problem it had then I remarked that I was surprised the check eng lite didnt come on. The service manager replied that for these particular civics they rarely come on and you are left with good ole troubleshooting step by step.