Open the hood with a cold engine, have someone start it while watching the tensioner on the single drive belt. Report if that tensioner is jumping up and down. Not there, can't observe it, and won't go into detail until this is determined.
Also agree with Robby, could be a misfire, either spark plug or a flooding injector, ha, so much easier being there.
Also agree with Robby, could be a misfire, either spark plug or a flooding injector, ha, so much easier being there.