New with a 2000 Sunfire
Just joined and have a 2000 Sunfire. Want to get the fuel economy up as currently it is under 30 MPG. I have changed oil (non synthetic, as i have a small leak), Tires are at max pressure, and recently had the subframe, fuel filler tube, LR strut, and muffler replaced. (Now have a high piched whine at 3000rpm since muffler change).
What suggestions does one have to help with increasing the MPG?
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