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bLYNN
I have a 2002 Pontiac Grand Am GT and it's hardly accelerating. The fastest it can go is 25 MPH. I just changed the fuel filter hoping that's what it was... but it didn't fix the problem. I was told is could be the catalytic converter but I passed my smog emissions test last September and also passed another one about a month ago. I was told that my levels were low which is a good thing. I also think it could be an O2 sensor??? Any ideas on what could be wrong?? I need help!!! 
