Ok guys need some help I have a 2000 civic with the 1.8l and it sat in a garage for about a year. I took it out last week and started it up ran fine but then when the high idle shut off it started running very rough like it was going to stall then the engine will rev a little and it just keeps doing this. Any ideas what could be wrong.
thanks Duncan

 

Old Gas. [:'(]

Run some new gas with sea foam cleaner to clean out any deposits from storage.