Honda asscot 90 f20a

gmphil, May 1, 5:27pm
Hunts when iderling ,goes between grand to fifteen hundred but in drive or reverse it doesnt do it just sits at grand .
Wotscausing this!

mugenb20b, May 1, 7:20pm
Idle air control valve or air lock in the cooling system. Try cleaning out the throttle body first.