the other day me and my friend put a cold air intake on my 97 impreza 2.2 and it started runing like ************...dosent like to idol cold and trys to limit me anywhere it can up to 2500 rpms and keeps tryin to when im just driveing...so we thought put the stock intake back on...we did and it idols now just keeps trying to limit me...any ideas on how to fix it?