Chrysler Concorde engine why overheat cause?

Could be several things, is there coolant in the overflow tank? **Don't open cap when hot** does your heat work? your heater core might be clogged? do your fans turn on to cool the engine? Do you have oil? & what does it smell like ? burnt ? or just like old oil

I had this problem on a 98 Jeep, it was a clogged heater core, & rusty coolant

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Matt