2002 Aerio sedan
Couple of questions. My car only gets about 23 MPG and I am not sure why. On the freeway going about 75-80 its at 3200 RPM's is that normal? Also when I put it in reverse it makes a loud screeching noise. I am not sure whats wrong with everything. I just had my transmission fluid changed and that didn't fix anything. It has about 94k miles on it and I don't think the plugs or a tune up has ever been done on it. Any help would be nice. Thank you.
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