I recently noticed a small jump in my mileage as well. I kept getting a CEL so according to two of the CEG members, I double checked my O2 sensors, both are in spec, and cleaned my MAF. A reman is $133! I also recently replaced my fuel filter and ran Chevron Professional Grade fuel injector cleaner through it.
I went from 270 if I was lucky to 320. I am working on my second tank since I did that. I am at 100 miles of city driving and I am to 3/4 of a tank.
Hopefully it will go up more when I replace the plug wires and the plugs. The car -only- has 94,000 on it, and I think it still has the stock wires and plugs.
