Hi. There is a service bulletin from Kia for that exact description if your car is 4WD. It describes a sharp metallic ping when shifting from P to D and D to R. The repair is removing the rear driveshaft...
Hi there. The engine and transmission mounts need to be replaced. The mounts keep the vehicle from vibrating when the engine is running and is most likely felt at idle. The shocks will no contribute to the vibration as the...
Unfortunately, it is possible to damage the catalytic converter, that is cause a blockage, if the engine misfires "too much" and/or for a prolonged period. It is not yet known whether your converter is damaged, but I will get to...