Noises problem 1999 Pontiac Grand Am 4 cyl Two Wheel Drive Automatic 138000 miles I have a 99 grand am and when I start i+, i+ makes this thumping or banging noise until fully started and idling. It sounds like the motors bouncing around. What could be causing this?
have the same problem?
Thursday, March 18th, 2010 AT 4:48 PM