Hello everyone,

For the past 2 months or so, I have really gotten terrible gas mileage. I use to average about 200 miles per tank before my gas light comes on. Now, My gas light comes on at about 170 miles.

Nothing about the vehicle has changed (same tires, bumpers, roof rack). I have even eased up on the gas pedal too. The only thing that I can think of was that i got the vehicle serviced for the 100K tune-up and a new alignment. But now I am losing about 30 miles per tank and i can't figure out why.

Has anyone had this problem? Could it be the O2 Sensors that is burning more fuel than needed? Any information would help. Gas Prices are killing me and the extra 30 miles per tank would help. I just don't want to take it to a shop and have them charge me $800 to fix a small problem, which might cost more that the gas that i am losing....