I went and had my 06 Cobalt checked out because the dreeded check engine light came one and I got the P0420 threshold bank 1 code. My mechanic, who has been a good friend of mine for quite some time, ...
I drive a 2006 Cobalt SS (not supercharged) with the 2.4L engine. Today my serpentine belt broke. I need to get the car into the shop this week for a different problem. I'm fairly confident that I ...