has lost power when climbing hills and has a spot on accelerator that misses on 2000 Plymouth Voyager

happens all the time it also has a fast idle and dies sometimes when I come to a stop

Asked by for the 2000 Plymouth Voyager
This is an air intake/ exhaust flow issue. Do you have a check engine light on? Most likely causes are : Catalytic converter plugged or fouling and also check MAF sensor to make sure it is clean or in need or replacement.