I have a Chrysler 300M with a 3.5L high intake motor. it has recently started acting up, I bought her at a used car lot, she has 190,000+ miles on her. When I give it her gas, she acts like shes in neutral, I let up on the gas and resume speed, she acts just fine, shes losing antifreeze and I keep having tire trouble, I know she sounds like a lemon but its goin on almost 2 yrs since I bought her and tho I've had to have the radiator and thermostat replaced, antifreeze keeps leaking tho its not leaving puddles so I assume shes drinking it like beer. she did make it to Louisville KY and back with no issues, actually seemed to enjoy the drive but in the city with stop and go a must(I'm a HHA) shes acting up, I need help, FAST!!!! advice anyone??????????