I just recently changed the oil in my car, was pretty over due. I filled the tank to full with Chevron, mid-grade with that Techron additive it has in it. Then I put in STP Injector Cleaner....now, Im at half a tank, and my trip meter is reading 200.04.... Im like wow my Gas Mileage went WAY up...I told some people, and they said check my odomete, I did and its exactly precise....Does this seem odd to anyone!?

Engine is a 95 KA24DE in a 91 Hatch.

 

Start putting your foot down, your gas mileage will go in the same direction.

 

Ive had good amounts of highway and street driving past few days, highway speeds up to 85 at least.

 

Hmmm...sounds like the motor sucks and you should sell it to me