Why is my car making this sound???
When I first start my car it makes this like putting
sound or maybe even a knock ( almost like a put
put tractor ) after driving a couple miles you can
hardly hear it if at all. Also my car has a super
charger if that makes any difference and only about
130,000 miles. I have a video but it won't let me
You may have an exhaust leak.
Search Pontiac Grand Prix Questions
Pontiac Grand Prix Experts