I drive a 95 civic ex with a d15b sohc vtec longblock, recently i had a couple of o-rings go bad in my injectors an had to replace them, after finishing that today whenever in neutral my car idles veryyy weird i'm talking jumping up an down from about .5 - 1.5 grand back an forth the whole time im idling until i give it gas again... any ideas what could be causing this and if it's a huge problem? Any input is appreciated, thanks!