i have a 93 b18a1 in a 93 civic, when i first got it (already swapped) between 2500 3000 rpm its was doggy/ sputtery but would clear up as long as im over 3000 well this last week while driving hwy spd it dogged down serious power loss i push the cluch coast and rev it a lil and it clears up continuing to drive fine, next day same prob and now when im not on the gas after it warms up idle starts goin to **** then stall... fires right back up, stall... unless im giving it gas, driving is decent again until i let off the gas, ive been told coil or vac leak, but idk i need advice, and yes im new to honda's and know i need to find more info but ive been reading forums for 2 weeks n need specific advice... your help and time is much appreciated