chain;p0175;rough idle;

Hi Guys, I am writing from the far Hungary, where I bought a 300c for my wife 2 years ago. My Jeep GC (5.7 Limited) has no problem after 7 years (100k miles), so it was not a question to buy a sedan with the same engine. The 300c had only 20k miles in it (2005 model, the owner used it as a 3rd...