Sorry guys I new to this but ireally need some help I have a 2004 crossfire it works good but after running it for an hour and I turn the engine off after I try to start it justcrancks but wont start so I have to let it cool down for (4 hours) then it works normal again the check engine comes on and it shows a code for thermostat and oxygen sensor but people I know said that that should not be the problem for the car to start they say that it could be the cranck shaft sensor but I really dont know if anybody had this issue and givme an adviste thanks in advance!