Intermittent Problem - need ideas!

[richie410]

Could be stuck check ball in fuel tank depending on type of tank you have. I have above deck side tanks and we just took the check ball out because they great for sticking.That was on my V20. I also had problem on small boat with 50hp wouldn't idle but if sped up would run but run like ****. It was dirty porcelain on outside of plug. Wires were firing over outside of plug to ground and had bad gas on top of that.