Our tire pressure light came on a couple days ago in our 2004 Crossfire.. Then yesterday, I was backing out of the driveway and I hear a loud clunk coming from rear driver tire/wheel. Stop, back up more, clunk. My husband filled the back tire with the foam tire stuff and drove it to the gas station and filled up the tires. That tire was pretty low. Now the noise is gone, light is off. Which is great, but should we still take it in to get it fixed?? This was a loud crunching clunk noise and I can't imagine why it would be caused just from the tire being low????