i use to have the same problem with my 87 crx but it was a carb. model and there was a release valve on the back of it .I also adjusted the idle and but that did not work.if your going to clean the throttlebody i would use winns throttlebody cleaner "it is the bestest".spray most of the can in and idle that biatch to remove the carbon deposits.hope this helps if you even read this.o ya and do check for vacum leeks .. :coo: