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My wifes 98 civic EX had the check engine light come on while here mother was in town and driving it. I think she might have just not tightened the gas cap at some point. Anyway I disconnected the battery and light stayed of and has stayed off for a couple weeks. Do I need to take it and get the codes read or should I not worry about it unless the light comes back on? By the way it rolled 90k miles while she was driving it......could that have effected it?

 
Rep Power: 0

Do you have a chilton manual? I'm not sure which year they changed but some of the cars actually had light that blinks under the dash to let you know what code it is. A chilton manual will tell you how to check it, I would recommend doing that since most place are gonna charge at least $50 to hook it up to a reader.. kinda of useless, especially if your system using the blinking lights. If you don't have a Chilton manual I recommend getting one, or at least go an auto parts store to see if they have one open you can look at. AutoZone usually has them open on the shelf.

 
Rep Power: 0

he said the light isnt on anymore, so it wont be giving any code. it most likely was the gas cap, dont worry unless it comes back on