I dont' rem. but i know if you search the old threads there are a few that tell you how to. If not others will chyme in ill start searching for you and ill post if i find itekvisto said:does anyone know how to replace/clean the iscm. my car has been stalling and people seem to think that this is a likely culprit but i have no idea how to do it. also any guess for a cost? thanks for the help.