· Mr. X (aka #5)
can be a number of things. ive had rough idle before from one of the plug wires had come out, couple days later it worked fine, next day it did it again and thats when i found the unplugged wire. another thing it could be was bad gas that has worked its way out. like i said, couldve been a number of things, if it comes back deal with it then, if not chalk it up as a fluke.