I have changed my oils, and change them every 3000. I put new spark plugs and 2 new 02 sensors since I got a code for it. Ive done about 200 miles on half tank, but the problem is that after half tank it seems to go faster. Anybody know why that is so??

1998 Silver Frost LX C-27 Kit, 19x7.5 42 offset Gunmetal rims, 20% tint, engine mods to come shortly... "It's never too late to be what you might have been."