my 2000 kia sportage wont start when hot on 2000 Kia Sportage

it had a blown head gasket so i got that fixed and got a new crankshaft positioning sensor and i drove it for about 2 hours turned it of then tried to start it again but it did not start so i waited about a hour and it started fine

Asked by for the 2000 Kia Sportage
sounds like poss water entering cyl's thru headgasket. do you have a ck eng light on