ok i have a 96 civic cx with a h22 and its been fine for about a 1yr 1/2 well today i drove home and the check engine light came on so i went home and checked it . tell me if i did it right

cars off, i turned key to the on position but didnt turn car on

the check engine light stays on for 3 seconds then goes away

what code is this, is 3 seconds long or short ive never had this problem any help would be great.

 

anyone

 

that happends to mine, its fine an d normal

 

That's making sure the light works, you need to jump the code to get what it actually is. Check the thread at the top of the forum.