sr20det rev's by itself???!?!

[SR240DET]

what up... my buddys sr is acting up.. i dont know too much about sr's... but his coil fried and we got a new one.... we put it in place.. and now when he starts his car... it studders... for about 5 seconds then it starts to rev by it self.... and before that he drove from central florida to here about a 7 hour drive with 3 cyl because of the coil..... anyways if anybody can help that would be great.... thanks

-mark

[Richter]

How fast and how much does it rev? does it only do it at idle?

If it is really going quick, and only about 100 rpm, it could be air leaking into the intake after the throttle body somewhere, and is causing idle surge.

The rough startup makes me question your maf wiring. Are you getting a CEL?